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