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