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

<unit-gapsout_null-gapsin_null>

<det-pl-def> <unit_nom-not_det-pl>

<det-pl-deictic> <unit_nom-not_det-pl>

<det-pl-gq> <unit_nom-not_det-pl>

<det-sing-def> <unit_nom-not_det-sing>

<det-sing-deictic> <unit_nom-not_det-sing>

<force> <full_unit_call_sign>

<full_unit_call_sign>

<full_unit_call_sign> and <full_unit_call_sign>

<gesture_unit>

<unit_nom>