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