The rules that use the category "<yes_no_utterance>" are:

<utterance-last_state_nlb3-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-last_state_nlb4-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-discourse_command-air>

<yes_no_utterance> <assertion-command>

<utterance-last_state_nlb5-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-discourse_system_utterance-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-system_utterance>

<utterance-last_state_nlb6-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-last_state_nlb7-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-last_state_nlb8-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-last_state_nlb1-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-last_state_nlb9-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-last_state_nlb2-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>

<utterance-last_state_command-discourse_user_response-air>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>