Anchor: Thus, there is a business incentive for any postal provider (who is not simply a cream skimmer) to offer universal service within the territories it serves.
Entailed: Postal providers are motivated to offer service to everyone within their territories.
Contradiction: Postal providers do not desire to provide service to everyone in their territories. 
Contradiction: Shuman's Second Law of Computational Dynamics doesn't suggest anything. 
Contradiction: A goalie during a hockey game.
Contradiction: The firms do not serve.
Contradiction: A volleyball is coming toward a player.