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