Dave is huge. Dave is big. Erin is small. Erin is thin. Bob is kind. Charlie is bad. Charlie is sad. If someone is not strong then they are bad. If someone is not poor then they are clever. If someone is kind then they are smart. If someone is smart and not dull then they are nice. If someone is bad and not strong then they are rough. All rough people are short. If someone is small and thin then they are dull. If someone is dull and not smart then they are sad. If someone is sad then they are young. If someone is clever then they are wealthy. All wealthy people are quiet. All nice people are experienced. 
Erin is young.