The category "<utterance-last_state_command-discourse_user_response-mc>" can be expressed as follows:

<utterance-last_state_command-discourse_user_response-mc>

<action_description-user_response-fin-inv>

<assertion-user_response>

<response_utterance-discourse_user_response-last_state_command>

<use_verb> <np-gapsout_null-gapsin_null-not_wh_or_dummy>

<use_verb> <np-gapsout_null-gapsin_null-not_wh_or_gq_or_dummy>

<user_dialog_command-user_response>

<wh_exclamative> about <np-gapsout_null-gapsin_null-not_wh_or_dummy>

<wh_exclamative> about <np-gapsout_null-gapsin_null-not_wh_or_gq_or_dummy>

<yes_no_utterance>

<yes_no_utterance> <assertion-user_response>