Bob is furry. Bob is rough. Bob is white. Charlie is big. Charlie is furry. Charlie is nice. Charlie is smart. Charlie is young. Dave is nice. Dave is rough. Dave is smart. Dave is white. Dave is young. Gary is nice. Gary is smart. Gary is young. All big things are smart. Nice, white things are rough. If Bob is furry and Bob is nice then Bob is big. If Bob is white then Bob is big. All nice things are rough. White things are nice.
Gary is not white.