The rules that use the category "<other_unit-system_utterance-gapsout_pp_gap-gapsin_pp_gap>" are:
<follow_unit_verb> <other_unit-system_utterance-gapsout_pp_gap-gapsin_pp_gap>
<pursue_verb> <other_unit-system_utterance-gapsout_pp_gap-gapsin_pp_gap>
<pursue_verb> <other_unit-system_utterance-gapsout_pp_gap-gapsin_pp_gap>
<recover_verb-not_located> <other_unit-system_utterance-gapsout_pp_gap-gapsin_pp_gap>
<follow_unit_verb> <other_unit-system_utterance-gapsout_pp_gap-gapsin_pp_gap>