Erin is strong. Erin is huge. Charlie is little. Charlie is small. Harry is wealthy. Alan is bad. Alan is poor. If someone is not big then they are bad. If someone is not dull then they are kind. If someone is wealthy then they are nice. If someone is nice and not sad then they are quiet. If someone is bad and not big then they are rough. If someone is little and small then they are sad. If someone is sad and not nice then they are poor. All kind people are smart. 
Alan is not smart.