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