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

<attack_by_fire_command>

<movement_verb> <to_prep> <engagement_loc> and <plain_attack_by_fire_verb> <by_fire_phrase>

<movement_verb> <to_prep> <engagement_loc> and <plain_attack_by_fire_verb> <enemy_loc> <by_fire_phrase>

<basic_attack_by_fire_command>

<plain_attack_by_fire_verb> <by_fire_phrase>

<plain_attack_by_fire_verb> <enemy_loc> <by_fire_phrase>