Bob is green. Bob is kind. Bob is rough. Erin is cold. Erin is quiet. Gary is not kind. Harry is blue. If something is blue and not cold then it is green. If Bob is kind then Bob is nice. If something is blue and not kind then it is nice. If something is green and not cold then it is nice. If something is nice then it is green. If something is green then it is rough. If something is not kind then it is nice. If something is not green then it is rough.
Bob is not rough.