sentences: arctic is used for movement by people from performing
docs: digging_fighting_positions is action_performed_by_animals. arctic is company. trachipterus_arcticus is fish. body_movement is action_performed_by_animals. going_to_sleep is action_performed_by_animals. arctic is hare. adversarial_action is performing. arctic is overshoe. touching is action_performed_by_animals. arctic_wolf is mammal.