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