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