Bob is cold. Bob is not kind. Bob is rough. Dave is cold. Dave is kind. Dave is quiet. Dave is red. Dave is rough. Harry is blue. Harry is cold. Harry is kind. Harry is not quiet. If someone is rough and not kind then they are quiet. If someone is blue then they are nice. All red, nice people are blue. Rough people are nice. If Harry is nice then Harry is red. If someone is quiet then they are blue.
Dave is kind.