Anchor: In a competitive environment, the Postal Service could easily retain universal service, but perhaps not a universal service standard.
Entailed: The Postal Service currently strives maintain universal service and universal service standards.
Contradiction: The Postal Service could not retain universal service if faced with competition.
Contradiction: the cat eats the rat
Contradiction: the men are by each other
Contradiction: they are playing in a pool
Contradiction: The clip is at the left.