Anchor: Plans are being made for an enlarged interpretive center, to open in 2001.
Entailed: An interpretive center is set to open in 2001.
Contradiction: The enlarged interpretive center is set to open in 2010.
Contradiction: Is it possible that other workers denied his example?
Contradiction: Guess another time.
Contradiction: The man is preparing to run a marathon.
Contradiction: The boys are playing.