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