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