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