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