Dave is huge. Dave is high. Bob is small. Bob is thin. Gary is kind. Erin is sad. Erin is dull. If someone is not big then they are sad. If someone is not bad then they are smart. If someone is kind then they are quiet. If someone is quiet and not poor then they are nice. If someone is sad and not big then they are rough. All rough people are short. If someone is small and thin then they are poor. If someone is poor and not quiet then they are dull. If someone is dull then they are young. If someone is smart then they are clever. All clever people are wealthy. All nice people are experienced. 
Dave is short.