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