Charlie is high. Charlie is strong. Anne is small. Anne is thin. Gary is kind. Alan is rough. Alan is poor. If someone is not big then they are rough. If someone is not dull then they are quiet. If someone is kind then they are nice. If someone is nice and not bad then they are wealthy. If someone is rough and not big then they are sad. If someone is small and thin then they are bad. If someone is bad and not nice then they are poor. All quiet people are smart. 
Alan is smart.