template = FreeFormQuestionPromptTemplate(enable_cot=True)
prompt = template.render(
        question="What is the capital of France?",
        context=["France is a country in Europe.", "The capital of France is Paris."],
        examples=[
            {
                "question": "What is 2 + 2?",
                "answer": "4",
            },
            {
                "question": "What is the capital of Germany?",
                "answer": "Berlin",
            },
        ],
        preamble="You are a helpful assistant.",
    )
print(prompt)