Erin is huge. Erin is high. Harry is short. Harry is little. Dave is smart. Alan is bad. Alan is sad. If someone is not big then they are bad. If someone is not dull then they are kind. If someone is smart then they are wealthy. If someone is wealthy and not rough then they are nice. If someone is bad and not big then they are poor. All poor people are small. If someone is short and little then they are rough. If someone is rough and not wealthy then they are sad. If someone is sad then they are young. If someone is kind then they are clever. All clever people are quiet. All nice people are experienced. 
Alan is not quiet.