Bob is furry. Bob is green. Bob is not kind. Bob is quiet. Bob is red. Bob is white. Dave is furry. Dave is green. Dave is quiet. Dave is red. Dave is rough. Fiona is kind. Fiona is not red. Fiona is rough. Harry is red. Harry is white. If something is kind then it is not white. All furry things are rough. If something is green and quiet then it is rough. If Bob is furry and Bob is not red then Bob is green. If something is not white then it is furry. If something is not red then it is rough.
Harry is white.