Dave is big. Dave is strong. Gary is tiny. Gary is small. Bob is smart. 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 smart then they are kind. If someone is kind 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 kind then they are sad. If someone is sad then they are young. If someone is nice then they are wealthy. All wealthy people are quiet. All clever people are experienced. 
Dave is thin.