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