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