Gary is big. Gary is high. Alan is little. Alan is thin. Fiona is wealthy. Charlie is poor. Charlie is sad. If someone is not strong 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 strong then they are rough. If someone is little and thin then they are dull. If someone is dull and not nice then they are sad. All kind people are smart. 
Charlie is smart.