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