Alan is strong. Alan is big. Bob is small. Bob is thin. Erin is wealthy. Anne is bad. Anne is rough. If someone is not huge then they are bad. If someone is not dull then they are quiet. If someone is wealthy then they are kind. If someone is kind and not sad then they are nice. If someone is bad and not huge then they are poor. If someone is small and thin then they are sad. If someone is sad and not kind then they are rough. All quiet people are smart. 
Bob is not rough.