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