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