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