Bob is furry. Bob is red. Bob is young. Dave is blue. Dave is furry. Dave is not kind. Dave is quiet. Dave is red. Dave is rough. Dave is young. Harry is not blue. Harry is kind. If something is rough and not red then it is quiet. Quiet things are rough. All young things are quiet. All rough things are furry. If something is kind then it is young. If Dave is rough then Dave is quiet.
Bob is rough.