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