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