Alan is strong. Alan is huge. Bob is small. Bob is thin. Erin is kind. Gary is dull. Gary is bad. If someone is not big then they are dull. If someone is not rough then they are smart. If someone is kind then they are wealthy. If someone is wealthy and not poor then they are clever. If someone is dull and not big then they are sad. All sad people are little. If someone is small and thin then they are poor. If someone is poor and not wealthy then they are bad. If someone is bad then they are young. If someone is smart then they are quiet. All quiet people are nice. All clever people are experienced. 
Bob is not young.