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