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