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