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