when something is returned to a place that something is released to that place
leave_when is not going_someplace. return is not arrival. change is when_one_thing_becomes_another_thing. slot is receptacle. leave_when is going_someplace. return is arrival. releasing_fish is releasing_from_confinement. releasing_fish is not releasing_from_confinement. change is not when_one_thing_becomes_another_thing. storage is somewhere_to_put_things.