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