Alan is high. Alan is big. Erin is little. Erin is tiny. Anne is kind. Gary is bad. Gary is rough. If someone is not huge then they are bad. If someone is not poor then they are quiet. If someone is kind then they are nice. If someone is nice and not dull then they are clever. If someone is bad and not huge then they are sad. All sad people are short. If someone is little and tiny then they are dull. If someone is dull and not nice then they are rough. If someone is rough then they are young. If someone is quiet then they are smart. All smart people are wealthy. All clever people are old. 
Alan is not short.