Anchor: By organizing this way, IRS hopes to improve both program efficiency and service to taxpayers.
Entailed: The IRS is committed to improving efficiency and customer service.
Contradiction: Everyone agrees that IRS customer service is outstanding. 
Contradiction: Nothing can help suppliers contribute more to weapon system programs.
Contradiction: The shite dog is prancing.
Contradiction: A pianist is playing in a concert hall.
Contradiction: A group takes part in the parade