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