The category "<other_unit-user_response-gapsout_null-gapsin_null>" can be expressed as follows:

<other_unit-user_response-gapsout_null-gapsin_null>

<det-num_all-not_wh_or_gq_or_dummy> <unit_nom-not_det-num_all>

<det-pl-not_wh_or_dummy> <unit_nom-not_det-pl>

<det-pl-not_wh_or_gq_or_dummy> <unit_nom-not_det-pl>

<det-sing-not_wh_or_gq_or_dummy> <unit_nom-not_det-sing>

<dynamic_unit_other_unit>

<dynamic_vehicle_other_unit>

<force> <full_unit_call_sign>

<full_unit_call_sign>

<gesture_unit>

<unit_nom>