Fiona is big. Fiona is huge. Alan is small. Alan is short. Dave is quiet. Anne is sad. Anne is poor. If someone is not strong then they are sad. If someone is not bad then they are smart. If someone is quiet then they are nice. If someone is nice and not dull then they are kind. If someone is sad and not strong then they are rough. All rough people are tiny. If someone is small and short then they are dull. If someone is dull and not nice then they are poor. If someone is poor then they are young. If someone is smart then they are wealthy. All wealthy people are clever. All kind people are old. 
Dave is not old.