{% set class = ["Human", "Bot"] | random %} {% if (0 < (dialog | selectattr("sender_class", "equalto", "Bot") | list | length)) and (0 < (dialog | selectattr("sender_class", "equalto", "Human") | list | length)) %} Would a person self-describing with such statements: {% for bp in user_profile %} - "{{ bp | join('') }}", {% endfor %} say things like: {% for utterance in dialog %} {% if class == utterance["sender_class"] %} - "{{ utterance["text"] }}", {% endif %}{% endfor %} in a conversation?