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