The rules that use the category "<attack_by_fire_verb>" are:

<attack_by_fire_command-gapsout_null-gapsin_null>

<set_up_verb> <base_of_fire_phrase> <engagement_loc_mod-gapsout_null-gapsin_null> and <attack_by_fire_verb> <enemy_loc-gapsout_null-gapsin_null>