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