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