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