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