The rules that use the category "<enemy_loc-gapsout_np_gap-gapsin_np_gap>" are:

<basic_attack_by_fire_command-gapsout_np_gap-gapsin_np_gap>

<plain_attack_by_fire_verb> <enemy_loc-gapsout_np_gap-gapsin_np_gap> <by_fire_phrase-direct>