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