Anchor: During excavations, a cache of 17,000 items dating from the Roman era was found.
Entailed: Roman period artifacts were discovered through excavations.
Contradiction: The cache had 170,000 items from the Ming dynasty. 
Contradiction: The excavations ended without any significant finding. 
Contradiction: All recommendations made by the GAO are classified and available only to congress.
Contradiction: He more or less set the agenda and let everyone do the work. 
Contradiction: The woman is carrying groceries down the street.