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