Anchor: IRS  IRS Faces Challenges as it Restructures the Office of the Taxpayer Advocate ( GAO/GGD-99-124, July 15, 1999).
Entailed: The IRS faces a challenge.
Contradiction: The IRS can continue as normal.
Contradiction: The person is swimming
Contradiction: A person walking while talking on a cellular device.
Contradiction: The government rioted against the French fascists.
Contradiction: He believes his dead son is looking out for him.