Harry is high. Harry is strong. Dave is small. Dave is little. Bob is quiet. Alan is rough. Alan is sad. If someone is not huge then they are rough. If someone is not poor then they are nice. If someone is quiet then they are wealthy. If someone is wealthy and not dull then they are kind. If someone is rough and not huge then they are bad. If someone is small and little then they are dull. If someone is dull and not wealthy then they are sad. All nice people are smart. 
Dave is sad.