Gary is huge. Gary is high. Alan is thin. Alan is short. Erin is kind. Anne is dull. Anne is sad. If someone is not strong then they are dull. If someone is not poor then they are nice. If someone is kind then they are wealthy. If someone is wealthy and not rough then they are smart. If someone is dull and not strong then they are bad. If someone is thin and short then they are rough. If someone is rough and not wealthy then they are sad. All nice people are quiet. 
Erin is not smart.