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