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