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