if something ash something else to change, then that something quality that something else
sometimes_change is not good_thing. change is not thing. alternative_physics is not alternative_thing. sometimes_change is good_thing. else is river. change is when_one_thing_becomes_another_thing. change is thing. another_way_to_say_separates_things is not divides_objects. change is not when_one_thing_becomes_another_thing. another_way_to_say_separates_things is divides_objects.