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