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

<unit-gapsout_null-gapsin_null-sing>

<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>

<gesture_unit-sing>

<unit_nom-sing>