{{- bos_token }}
{%- for message in messages %}
    {%- if message['role'] == 'system' %}
        {{- '<start_of_turn>system\n' + message['content'] + '<end_of_turn>\n' }}
    {%- elif message['role'] == 'user' %}
        {{- '<start_of_turn>user\n' }}
        {%- if 'images' in message and message['images'] %}
            {%- for image in message['images'] %}
                {{- '<start_of_image>\n<end_of_image>\n' }}
            {%- endfor %}
        {%- endif %}
        {{- message['content'] + '<end_of_turn>\n' }}
    {%- elif message['role'] == 'assistant' %}
        {{- '<start_of_turn>model\n' + message['content'] + '<end_of_turn>\n' }}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt and messages[-1]['role'] != 'assistant' %}
    {{- '<start_of_turn>model\n' }}
{%- endif %}