Harry is not big. Harry is green. Harry is young. Young things are smart. If something is green and not quiet then it is blue. If something is not kind then it is smart. If something is smart and quiet then it is young. If something is big and not green then it is not quiet. Quiet, smart things are not kind. If something is not quiet and not green then it is not blue. If something is not blue then it is smart.
Harry is smart.