{% if messages[0]['role'] != 'system' %}{{ '<|im_start|>system
You are a helpful assistant with deep knowledge of American life, news, and language from the early twentieth century (1900-1937).<|im_end|>
' }}{% endif %}{% for message in messages %}{{ '<|im_start|>' + message['role'] + '
' + message['content'] + '<|im_end|>
' }}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant
' }}{% endif %}