Gary is high. Gary is big. Dave is tiny. Dave is little. Harry is kind. Bob is dull. Bob is poor. If someone is not strong then they are dull. If someone is not sad then they are wealthy. If someone is kind then they are clever. If someone is clever and not bad then they are quiet. If someone is dull and not strong then they are rough. All rough people are short. If someone is tiny and little then they are bad. If someone is bad and not clever then they are poor. If someone is poor then they are young. If someone is wealthy then they are smart. All smart people are nice. All quiet people are experienced. 
Dave is young.