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