Fiona is huge. Fiona is strong. Dave is tiny. Dave is small. Bob is quiet. Anne is dull. Anne is sad. If someone is not high then they are dull. If someone is not bad then they are nice. If someone is quiet then they are smart. If someone is smart and not rough then they are clever. If someone is dull and not high then they are poor. All poor people are thin. If someone is tiny and small then they are rough. If someone is rough and not smart then they are sad. If someone is sad then they are young. If someone is nice then they are kind. All kind people are wealthy. All clever people are experienced. 
Fiona is not thin.