if something is placed on something else then that something is touching that something else
deliberately_touching is not touching. touching is not event_involving_physical_contact. putting_onto_else is not putting. deliberately_touching is touching. putting_onto_else is putting. storage is not somewhere_to_put_things. space is not what_between_else. touching is touching. touching is not touching. humans_touching_each_other is not situation_involving_physical_contact.