{{ bos_token }}{% if messages[0]['role'] == 'system' %}{{ messages[0]['content'] }}{% set loop_messages = messages[1:] %}{% else %}{{ 'Below are some instructions that describe some tasks. Write responses that appropriately complete each request.' }}{% set loop_messages = messages %}{% endif %}{% for message in loop_messages %}{% if message['role'] == 'user' %}{{ ' USER: ' + message['content'] }}{% elif message['role'] == 'assistant' %}{{ ' ASSISTANT: ' + message['content'] + '<|end_of_text|>' }}{% else %}{{ raise_exception('Only user and assistant roles are supported!') }}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ ' ASSISTANT: ' }}{% endif %}