flying an object requires lift to oppose the object 's weight
lifting_opponent is not lifting. lifting_opponent is lifting. lifting_opponent is sports_action. animate_object has ability_to_move_itself animate_object has not ability_to_move_itself military_equipment is military_object. lifting_opponent is not sports_action. kicking_object is action_on_object. military_equipment is not military_object. dropping_game_object is dropping_object.