Bob is big. Bob is high. Gary is thin. Gary is small. Fiona is kind. Charlie is dull. Charlie is rough. If someone is not huge then they are dull. If someone is not bad then they are nice. If someone is kind then they are quiet. If someone is quiet and not sad then they are wealthy. If someone is dull and not huge then they are poor. If someone is thin and small then they are sad. If someone is sad and not quiet then they are rough. All nice people are smart. 
Gary is not rough.