stablelm demo. The StableLM models are trained on an experimental dataset that's three times larger than The Pile, boasting a massive 1. stablelm demo

 
The StableLM models are trained on an experimental dataset that's three times larger than The Pile, boasting a massive 1stablelm demo  Discover the top 5 open-source large language models in 2023 that developers can leverage, including LLaMA, Vicuna, Falcon, MPT, and StableLM

HuggingChatv 0. This model is compl. The company made its text-to-image AI available in a number of ways, including a public demo, a software beta, and a full download of the model, allowing developers to tinker with the tool and come up with different integrations. Learn More. GPT-NeoX (includes StableLM, RedPajama, and Dolly 2. 🚂 State-of-the-art LLMs: Integrated support for a wide. StableLM-Base-Alpha is a suite of 3B and 7B parameter decoder-only language models pre-trained on a diverse collection of English and Code datasets with a sequence length of 4096 to push beyond the context window limitations of existing open-source language models. VideoChat with StableLM: Explicit communication with StableLM. 75. Wir erklären anhand von Midjourney wie sie funktionieren, was damit erzeugt werden kann und welche Limitationen es aktuell gibt. - StableLM will refuse to participate in anything that could harm a human. Try to chat with our 7B model, StableLM-Tuned-Alpha-7B, on Hugging Face Spaces. . addHandler(logging. The program was written in Fortran and used a TRS-80 microcomputer. He also wrote a program to predict how high a rocket ship would fly. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. StableLM is a helpful and harmless open-source AI large language model (LLM). While there are abundant AI models available for different domains and modalities, they cannot handle complicated AI tasks. Model Details. Our StableLM models can generate text and code and will power a range of downstream applications. According to the Stability AI blog post, StableLM was trained on an open-source dataset called The Pile, which includes data. So for 30b models I like q4_0 or q4_2 and for 13b or less I'll go for q4_3 to get max accuracy as the. -Despite how impressive being able to turn text into image is, beware to the fact that this model may output content that reinforces or exacerbates societal biases, as well as realistic faces, pornography and violence. If you like our work and want to support us,. The vision encoder and the Q-Former were initialized with Salesforce/instructblip-vicuna-7b. 5 trillion text tokens and are licensed for commercial. These models will be trained on up to 1. , previous contexts are ignored. g. Language Models (LLMs): AI systems. 4. Seems like it's a little more confused than I expect from the 7B Vicuna, but performance is truly. Want to use this Space? Head to the community tab to ask the author (s) to restart it. Dolly. v0. 7B parameter base version of Stability AI's language model. Stability AI, the company behind Stable Diffusion, has developed StableLM, an open source language model designed to compete with ChatGPT. StableLM Web Demo . on April 20, 2023 at 4:00 pm. It is an open-source language model developed by Stability AI and based on a dataset called “The Pile,” which. 4. Solving complicated AI tasks with different domains and modalities is a key step toward artificial general intelligence. - StableLM will refuse to participate in anything that could harm a human. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered. StableLM uses just three billion to seven billion parameters, 2% to 4% the size of ChatGPT’s 175 billion parameter model. Here are instructions for running a little CLI interface on the 7B instruction tuned variant with llama. LLaVA represents a novel end-to-end trained large multimodal model that combines a vision encoder and Vicuna for general-purpose visual and language understanding, achieving impressive chat capabilities mimicking spirits of the multimodal GPT-4 and setting a new state-of-the-art accuracy on. Discover the top 5 open-source large language models in 2023 that developers can leverage, including LLaMA, Vicuna, Falcon, MPT, and StableLM. GPT4All Prompt Generations, which consists of 400k prompts and responses generated by GPT-4; Anthropic HH, made up of preferences. (Alpha version) - StableLM is a helpful and harmless open-source AI language model developed by StabilityAI. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. The robustness of the StableLM models remains to be seen. StreamHandler(stream=sys. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. Training Dataset StableLM-Tuned-Alpha models are fine-tuned on a combination of five datasets: Alpaca, a dataset of 52,000 instructions and demonstrations generated by OpenAI's text-davinci-003 engine. 0. basicConfig(stream=sys. Training Dataset. StabilityAI, the research group behind the Stable Diffusion AI image generator, is releasing the first of its StableLM suite of Language Models. Contact: For questions and comments about the model, please join Stable Community Japan. You can use it to deploy any supported open-source large language model of your choice. You just need at least 8GB of RAM and about 30GB of free storage space. The Stable-Diffusion-v1-5 checkpoint was initialized with the weights of the Stable-Diffusion-v1-2 checkpoint and subsequently fine-tuned on 595k steps at resolution 512x512 on "laion-aesthetics v2 5+" and 10% dropping of the text-conditioning to improve classifier-free guidance sampling. - StableLM will refuse to participate in anything that could harm a human. Just last week, Stability AI release StableLM, a set of models that can generate code. The new open-source language model is called StableLM, and it is available for developers on GitHub. StableLM-Alpha v2. StableLM, compórtate. . like 6. StableLM uses just three billion to seven billion parameters, 2% to 4% the size of ChatGPT’s 175 billion parameter model. Currently there is. For Llama-2-7b-chat, transformers runs out of VRAM, so it can. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. Discover amazing ML apps made by the community. Artificial intelligence startup Stability AI Ltd. These models will be trained on up to 1. Based on pythia-12b, Dolly is trained on ~15k instruction/response fine tuning records databricks-dolly-15k generated by Databricks employees in capability domains from the. # setup prompts - specific to StableLM from llama_index. stablelm-tuned-alpha-7b. The richness of this dataset gives StableLM surprisingly high performance in. This takes me directly to the endpoint creation page. Stable LM. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. The demo mlc_chat_cli runs at roughly over 3 times the speed of 7B q4_2 quantized Vicuna running on LLaMA. アルファ版は30億パラメータと70億パラメータのモデルが用意されており、今後150億パラメータから650億パラメータのモデルも用意される予定です。. Stable Language Model 简介. getLogger(). StableVicuna is a. Technical Report: StableLM-3B-4E1T . It consists of 3 components: a frozen vision image encoder, a Q-Former, and a frozen LLM. import logging import sys logging. If you’re opening this Notebook on colab, you will probably need to install LlamaIndex 🦙. Turn on torch. If you’re opening this Notebook on colab, you will probably need to install LlamaIndex 🦙. StableLM-Base-Alpha is a suite of 3B and 7B parameter decoder-only language models pre-trained on a diverse collection of English datasets with a sequence length of 4096 to push beyond the context window limitations of existing open-source language models. Models StableLM-Alpha. . Here is the direct link to the StableLM model template on Banana. . INFO) logging. The program was written in Fortran and used a TRS-80 microcomputer. Our Language researchers innovate rapidly and release open models that rank amongst the best in the industry. StableLM is an Opensource language model that uses artificial intelligence to generate human-like responses to questions and prompts in natural language. stdout, level=logging. This innovative. Schedule Demo. 🦾 StableLM: Build text & code generation applications with this new open-source suite. - StableLM will refuse to participate in anything that could harm a human. StableLMの料金と商用利用. basicConfig(stream=sys. today released StableLM, an open-source language model that can generate text and code. Designed to be complimentary to Pythia, Cerebras-GPT was designed to cover a wide range of model sizes using the same public Pile dataset and to establish a training-efficient scaling law and family of models. This week in AI news: The GPT wars have begun. - StableLM will refuse to participate in anything that could harm a human. Simple Vector Store - Async Index Creation. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. On Wednesday, Stability AI launched its own language called StableLM. StableVicuna. Called StableLM and available in “alpha” on GitHub and Hugging Face, a platform for hosting AI models and code, Stability AI says that the models can generate both code and text and. 13. An upcoming technical report will document the model specifications and the training. - StableLM will refuse to participate in anything that could harm a human. Relicense the finetuned checkpoints under CC BY-SA. # setup prompts - specific to StableLM from llama_index. 1. 5 trillion tokens. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. An open platform for training, serving. StableLM was recently released by Stability Ai, their newest new open-source language model trained on The Pile open-source dataset. stablelm-tuned-alpha-7b. StableLM-Alpha models are trained on the new dataset that build on The Pile, which contains 1. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. Artificial intelligence startup Stability AI Ltd. StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. With the launch of the StableLM suite of models, Stability AI is continuing to make foundational AI technology accessible to all. . Klu is remote-first and global. Japanese InstructBLIP Alphaはその名の通り、画像言語モデルのInstructBLIPを用いており、画像エンコーダとクエリ変換器、Japanese StableLM Alpha 7Bで構成され. StableLM is the first in a series of language models that. He also wrote a program to predict how high a rocket ship would fly. Stable LM. By Cecily Mauran and Mike Pearl on April 19, 2023. 5 trillion tokens, roughly 3x the size of The Pile. v0. py --wbits 4 --groupsize 128 --model_type LLaMA --xformers --chat. stability-ai. Dubbed StableLM, the publicly available alpha versions of the suite currently contain models featuring 3 billion and 7 billion parameters, with 15-billion-, 30-billion- and 65-billion-parameter. We are proud to present StableVicuna, the first large-scale open source chatbot trained via reinforced learning from human feedback (RLHF). - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. 開発者は、CC BY-SA-4. He also wrote a program to predict how high a rocket ship would fly. 続きを読む. Running on cpu upgradeStableLM-Base-Alpha 📢 DISCLAIMER: The StableLM-Base-Alpha models have been superseded. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. 7B, 6. StabilityLM is the latest addition to Stability AI's lineup of AI technology, which also includes Stable Diffusion, an open and scalable alternative for prop. We’ll load our model using the pipeline() function from 🤗 Transformers. addHandler(logging. Google Colabを使用して簡単に実装できますので、ぜひ最後までご覧ください。. 1, max_new_tokens=256, do_sample=True) Here we specify the maximum number of tokens, and that we want it to pretty much answer the question the same way every time, and that we want to do one word at a time. Valid if you choose top_p decoding. StableLM models were trained with context lengths of 4096, which is double LLaMAs 2048. 36k. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. According to the authors, Vicuna achieves more than 90% of ChatGPT's quality in user preference tests, while vastly outperforming Alpaca. The emergence of a powerful, open-source alternative to OpenAI's ChatGPT is welcomed by most industry insiders. blog: StableLM-7B SFT-7 Model. compile will make overall inference faster. Check out this notebook to run inference with limited GPU capabilities. getLogger(). Predictions typically complete within 8 seconds. Stability AI, the company behind the well-known image-generation tool Stable Diffusion, has introduced a set of open source language-model tools, adding to the growth of the large-language-model market. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. E. Try to chat with our 7B model, StableLM-Tuned-Alpha-7B, on Hugging Face Spaces. Version 1. Find the latest versions in the Stable LM Collection here. Stability hopes to repeat the catalyzing effects of its Stable Diffusion open source image synthesis model, launched in 2022. 6. addHandler(logging. - StableLM will refuse to participate in anything that could harm a human. These parameter counts roughly correlate with model complexity and compute requirements, and they suggest that StableLM could be optimized. stablelm-base-alpha-7b. Usually training/finetuning is done in float16 or float32. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. Troubleshooting. !pip install accelerate bitsandbytes torch transformers. ChatDox AI: Leverage ChatGPT to talk with your documents. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. . StableLM-Alpha models are trained on the new dataset that build on The Pile, which contains 1. , 2023), scheduling 1 trillion tokens at context. 3 — StableLM. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. AI by the people for the people. (Titulo, descripcion, todo escrito por GPT-4) "¿Te enteraste de StableLM? En este video, analizamos la propuesta de Stability AI y su revolucionario conjunto. Using llm in a Rust Project. StableLM is trained on a new experimental dataset that is three times larger than The Pile dataset and is surprisingly effective in conversational and coding tasks despite its small size. Usage Get started generating text with StableLM-3B-4E1T by using the following code snippet: Model Description. While some researchers criticize these open-source models, citing potential. Base models are released under CC BY-SA-4. StableLM-3B-4E1T achieves state-of-the-art performance (September 2023) at the 3B parameter scale for open-source models and is competitive with many of the popular contemporary 7B models, even outperforming our most recent 7B StableLM-Base-Alpha-v2. - StableLM is more than just an information source, StableLM is also able to write poetry, short. MLC LLM. StableLM online AI. Databricks’ Dolly is an instruction-following large language model trained on the Databricks machine learning platform that is licensed for commercial use. The Verge. The first model in the suite is the. Public. xyz, SwitchLight, etc. If you’re opening this Notebook on colab, you will probably need to install LlamaIndex 🦙. You switched accounts on another tab or window. The optimized conversation model from StableLM is available for testing in a demo on Hugging Face. Following similar work, we use a multi-stage approach to context length extension (Nijkamp et al. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. Here's a walkthrough of Bard's user interface and tips on how to protect and delete your prompts. If you encounter any problems while using ChatALL, you can try the following methods to resolve them:You signed in with another tab or window. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. INFO:numexpr. However, Stability AI says its dataset is. In this video, we look at the brand new open-source LLM model by Stability AI, the company behind the massively popular Stable Diffusion. The author is a computer scientist who has written several books on programming languages and software development. Mistral7b-v0. Discover LlamaIndex Video Series; 💬🤖 How to Build a Chatbot; A Guide to Building a Full-Stack Web App with LLamaIndex; A Guide to Building a Full-Stack LlamaIndex Web App with Delphicアニソン / カラオケ / ギター / 猫 twitter : @npaka123. prompts import PromptTemplate system_prompt = """<|SYSTEM|># StableLM Tuned (Alpha version) - StableLM is a helpful and harmless open-source AI language model developed by StabilityAI. e. GPT4All Prompt Generations, which consists of 400k prompts and responses generated by GPT-4; Anthropic HH, made up of preferences. If you're super-geeky, you can build your own chatbot using HuggingChat and a few other tools. - StableLM will refuse to participate in anything that could harm a human. Are you looking to unlock the power of Google Bard’s conversational AI? Then look no further! In this video, I’ll demonstrate how to leverage Google Bard's c. Stability AI has provided multiple ways to explore its text-to-image AI. HuggingFace LLM - StableLM. 🏋️‍♂️ Train your own diffusion models from scratch. Actually it's not permissive, it's copyleft (CC-BY-SA, not CC-BY), and the chatbot version is NC because trained on Alpaca dataset. The new open-source language model is called StableLM, and. Emad, the CEO of Stability AI, tweeted about the announcement and stated that the large language models would be released in various. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. 1 more launch. Experience cutting edge open access language models. StabilityAI, the research group behind the Stable Diffusion AI image generator, is releasing the first of its StableLM suite of Language Models. Large language models (LLMs) like GPT have sparked another round of innovations in the technology sector. StableLM-Alpha models are trained on the new dataset that build on The Pile, which contains 1. The release of StableLM builds on our experience in open-sourcing earlier language models with EleutherAI, a nonprofit research hub. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. ChatGLM: an open bilingual dialogue language model by Tsinghua University. StableLM-Tuned-Alpha models are fine-tuned on a combination of five datasets: Alpaca, a dataset of 52,000 instructions and demonstrations generated by OpenAI's text-davinci-003 engine. The code and weights, along with an online demo, are publicly available for non-commercial use. StableLM, the new family of open-source language models from the brilliant minds behind Stable Diffusion is out! Small, but mighty, these models have been trained on an unprecedented amount of data for single GPU LLMs. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. - StableLM will refuse to participate in anything that could harm a human. Born in the crucible of cutting-edge research, this model bears the indelible stamp of Stability AI’s expertise. . Since StableLM is open source, Resemble AI can freely adapt the model to suit their specific needs, perhaps leveraging StableLM's. StreamHandler(stream=sys. Inference often runs in float16, meaning 2 bytes per parameter. StreamHandler(stream=sys. ain92ru • 3 mo. Explore StableLM, the powerful open-source language model transforming the way we communicate and code in the AI landscape. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. He worked on the IBM 1401 and wrote a program to calculate pi. Stability hopes to repeat the catalyzing effects of its Stable Diffusion open source image. Like most model releases, it comes in a few different sizes, with 3 billion, 7 billion, and 15 and 30 billion parameter versions slated for releases. or Sign Up to review the conditions and access this model content. He also wrote a program to predict how high a rocket ship would fly. EU, Nvidia zeigt KI-Gaming-Demo, neue Open Source Sprachmodelle und vieles mehr in den News der Woche | "KI und Mensch" | Folge 10, Teil 2 Im zweiten Teil dieser Episode, unserem News-Segment, sprechen wir unter anderem über die neuesten Entwicklungen bei NVIDIA, einschließlich einer neuen RTX-GPU und der Avatar Cloud. 📻 Fine-tune existing diffusion models on new datasets. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. An upcoming technical report will document the model specifications and. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. Dolly. 26k. This Space has been paused by its owner. (ChatGPT has a context length of 4096 as well). These models will be trained on up to 1. - StableLM will refuse to participate in anything that could harm a human. 5 trillion tokens, roughly 3x the size of The Pile. 続きを読む. Actually it's not permissive, it's copyleft (CC-BY-SA, not CC-BY), and the chatbot version is NC because trained on Alpaca dataset. Try out the 7 billion parameter fine-tuned chat model (for research purposes) → 画像生成AI「Stable Diffusion」開発元のStability AIが、オープンソースの大規模言語モデル「StableLM」を2023年4月19日にリリースしました。α版は. This project depends on Rust v1. - StableLM will refuse to participate in anything that could harm a human. - StableLM is excited to be able to help the user, but will refuse to do anything that could be cons idered harmful to the user. Base models are released under CC BY-SA-4. Additionally, the chatbot can also be tried on the Hugging Face demo page. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. The program was written in Fortran and used a TRS-80 microcomputer. While StableLM 3B Base is useful as a first starter model to set things up, you may want to use the more capable Falcon 7B or Llama 2 7B/13B models later. ” StableLM emerges as a dynamic confluence of data science, machine learning, and an architectural elegance hitherto unseen in language models. ! pip install llama-index. Run time and cost. Note that stable-diffusion-xl-base-1. You can currently try the Falcon-180B Demo here — it’s fun! Model 5: Vicuna- StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. . If you need an inference solution for production, check out our Inference Endpoints service. 75 tokens/s) for 30b. The author is a computer scientist who has written several books on programming languages and software development. Try out the 7 billion parameter fine-tuned chat model (for research purposes) → Diffusion」開発元のStability AIが、オープンソースの大規模言語モデル「StableLM」を2023年4月19日にリリースしました。α版は. - StableLM will refuse to participate in anything that could harm a human. Here you go the full training script `# Developed by Aamir Mirza. Now it supports DragGAN, ChatGPT, ImageBind, multimodal chat like GPT-4, SAM, interactive image editing, etc. The Technology Behind StableLM. - StableLM will refuse to participate in anything that could harm a human. . 🚀 Stability AI is shaking up the AI world with the launch of their open-source StableLM suite of language models. It also includes a public demo, a software beta, and a full model download. OpenLLM is an open platform for operating large language models (LLMs) in production, allowing you to fine-tune, serve, deploy, and monitor any LLMs with ease. 0. An upcoming technical report will document the model specifications and. According to the Stability AI blog post, StableLM was trained on an open-source dataset called The Pile, which includes data from Wikipedia, YouTube, and PubMed. Summary. Many entrepreneurs and product people are trying to incorporate these LLMs into their products or build brand-new products. addHandler(logging. opengvlab. This Space has been paused by its owner. Test it in preview on Hugging Face: StableLM StableLM : The open source alternative to ChatGPT Introduction to StableLM. 0:00. However, this will add some overhead to the first run (i. It works remarkably well for its size, and its original paper claims that it benchmarks at or above GPT3 in most tasks. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered. torch. StableLM stands as a testament to the advances in AI and the growing trend towards democratization of AI technology. Even StableLM’s datasets come from a set of 5 open-source datasets for conversational agents, namely those used for Alpaca, GPT4All, Dolly, ShareGPT, and HH. StableLM-Alpha. This efficient AI technology promotes inclusivity and accessibility in the digital economy, providing powerful language modeling solutions for all users. 2023年4月20日. 🚀 Stability AI launches StableLM, an open-source suite of language models ⚔️ Elon Musks’ TruthGPT and his open war with Microsoft. ‎Show KI und Mensch, Ep Elon Musk kündigt TruthGPT an, Google beschleunigt AI-Entwicklung, neue Integrationen von Adobe, BlackMagic für Video AI und vieles mehr. The first model in the suite is the StableLM, which. Model Description StableLM-Base-Alpha is a suite of 3B and 7B parameter decoder-only language models pre-trained on a diverse collection of English and Code datasets with a sequence length. Llama 2: open foundation and fine-tuned chat models by Meta. Currently there is no UI. Models StableLM-Alpha. 0 or above and a modern C toolchain. StableLM-3B-4E1T Model Description StableLM-3B-4E1T is a 3 billion parameter decoder-only language model pre-trained on 1 trillion tokens of diverse English and code datasets. - StableLM will refuse to participate in anything that could harm a human. GitHub. As businesses and developers continue to explore and harness the power of. The company, known for its AI image generator called Stable Diffusion, now has an open-source language model that generates text and code. It's also much worse than GPT-J which is a open source LLM that released 2 years ago. . Like all AI, generative AI is powered by ML models—very large models that are pre-trained on vast amounts of data and commonly referred to as Foundation Models (FMs). - StableLM will refuse to participate in anything that could harm a human. - StableLM is excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user. VideoChat with StableLM: Explicit communication with StableLM. Showcasing how small and efficient models can also be equally capable of providing high. - StableLM is more than just an information source, StableLM is also able to write poetry, short stories, and make jokes. 0. On Wednesday, Stability AI launched its own language called StableLM. StableSwarmUI, A Modular Stable Diffusion Web-User-Interface, with an emphasis on making powertools easily accessible, high performance, and extensibility. The first of StabilityAI's large language models, starting with 3B and 7B param models, with 15-65B to follow. Stability AI has released the initial set of StableLM-alpha models, including 3B and 7B parameter models. Generate a new image from an input image with Stable Diffusion. The program was written in Fortran and used a TRS-80 microcomputer. Select the cloud, region, compute instance, autoscaling range and security. StableLM is a transparent and scalable alternative to proprietary AI tools. To run the script (falcon-demo. post1. Credit: SOPA Images / Getty. StableLM is a new open-source language model suite released by Stability AI. We are proud to present StableVicuna, the first large-scale open source chatbot trained via reinforced learning from human feedback (RLHF).