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