Any clue why ``@hf/meta-llama/meta-llama-3-8b-instruct`` is returning the prompt in the response wit

  const aiResponse = await c.env.AI.run("@hf/meta-llama/meta-llama-3-8b-instruct", {
    max_tokens: 140,
    messages: [
      {
        role: "system",
        content: `Generate a joke from the users response.`,
      },
    ],
  });

  const aiResponse = await c.env.AI.run("@hf/meta-llama/meta-llama-3-8b-instruct", {
    max_tokens: 140,
    messages: [
      {
        role: "system",
        content: `Generate a joke from the users response.`,
      },
    ],
  });

{
    "response": "<|begin_of_text|><|start_header_id|>system<|end_header_id|>\n\nGenerate a joke from the users response.<|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\nI'd love to! Please provide a topic, a setup, or a pun that you'd like me to build upon, and I'll do my best to create a joke for you.\n\n(Note: You can start with something as simple as a word, a phrase, or a concept, and I'll work with it to create a joke.)"
}

{
    "response": "<|begin_of_text|><|start_header_id|>system<|end_header_id|>\n\nGenerate a joke from the users response.<|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\nI'd love to! Please provide a topic, a setup, or a pun that you'd like me to build upon, and I'll do my best to create a joke for you.\n\n(Note: You can start with something as simple as a word, a phrase, or a concept, and I'll work with it to create a joke.)"
}