Harry is high. Harry is strong. Dave is small. Dave is short. Charlie is smart. Gary is dull. Gary is sad. If someone is not big then they are dull. If someone is not bad then they are quiet. If someone is smart then they are nice. If someone is nice and not poor then they are kind. If someone is dull and not big then they are rough. If someone is small and short then they are poor. If someone is poor and not nice then they are sad. All quiet people are wealthy. 
Dave is not sad.