Charlie is blue. Charlie is rough. Erin is rough. Erin is smart. Gary is kind. Gary is smart. Harry is blue. Harry is green. Harry is kind. Harry is quiet. Harry is smart. If something is green and kind then it is not white. All smart, kind things are rough. If something is quiet and smart then it is green. If something is green and not smart then it is not blue. Rough things are blue. If something is kind and not rough then it is white. If something is blue and not white then it is quiet.
Erin is not white.