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