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