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