sentences: if something changes into something else then that something else is formed from that something
docs: gathering_things_together is moving_into. another_way_to_say_separates_things is divides_objects. separated_thing is divided_thing. else is river. change is when_one_thing_becomes_another_thing. space is what_between_else. spreading_stuff_onto_surface is spreading. puttingsomethingintosomethingpartway is putting_into_else. planting is putting_into_else.