Bob is big. Bob is furry. Bob is nice. Bob is red. Bob is smart. Bob is white. Bob is not young. Harry is big. Harry is furry. Harry is nice. Harry is not red. Harry is smart. Harry is white. Harry is young. All nice things are furry. All red things are smart. Nice things are smart. If something is red then it is big. If something is big then it is white. If Harry is furry and Harry is not smart then Harry is young.
Bob is not furry.