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