sentences: removing something that prevents something else causes that something to be able to do that something else
docs: another_way_to_say_separates_things is divides_objects. removing_from_stuff is removal_by_moving. preventing is action. preventing is preventing. prevention_of_spoilage is preventing. humans has many_reasons_for_doing_things change is when_one_thing_becomes_another_thing. space is what_between_else. barrier is preventing. stealing is unnatural_thing.