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