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