The category "<pursue_command-gapsout_null-gapsin_null>" can be expressed as follows:

<pursue_command-gapsout_null-gapsin_null>

<pursue_command-gapsout_null-gapsin_null> <move_mod-gapsout_null-gapsin_null-not_compass_direction>

<pursue_command-gapsout_null-gapsin_null-not_with_compass_direction> <move_mod-gapsout_null-gapsin_null-compass_direction>

<pursue_verb> <enemy_vehicles>

<pursue_verb> <other_unit-gapsout_null-gapsin_null>