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