The rules that use the category "<dont_move_mod>" are:
<attach_detach_unit_verb-report_to> <other_unit-controlled_unit> <dont_move_mod>
<attach_detach_unit_verb-report_to> unit <other_unit-controlled_unit> <dont_move_mod>
<attach_detach_unit_verb-report_to> <other_unit-controlled_unit> <dont_move_mod>
<attach_detach_unit_verb-report_to> unit <other_unit-controlled_unit> <dont_move_mod>