The category "<follow_unit_command-user_response-gapsout_null-gapsin_null-not_with_compass_direction>" can be expressed as follows:

<follow_unit_command-user_response-gapsout_null-gapsin_null-not_with_compass_direction>

<follow_unit_command-user_response-gapsout_null-gapsin_null-not_with_compass_direction> <move_mod-gapsout_null-gapsin_null-not_compass_direction>

<follow_unit_verb> <enemy_vehicles>

<follow_unit_verb> <other_unit-user_response-gapsout_null-gapsin_null>