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

<utterance-discourse_command-mc>

<assertion-command>

<nl_command-command>

<np-gapsout_null-gapsin_null-unit> <assertion-command>

<special>

<telegraphic_command>

<user_dialog_command-command>

<yes_no_utterance> <assertion-command>