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