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