Bob is strong. Bob is high. Anne is thin. Anne is small. Dave is nice. Gary is dull. Gary is rough. If someone is not big then they are dull. If someone is not sad then they are quiet. If someone is nice then they are wealthy. If someone is wealthy and not bad then they are smart. If someone is dull and not big then they are poor. If someone is thin and small then they are bad. If someone is bad and not wealthy then they are rough. All quiet people are kind. 
Dave is not smart.