Anchor: He set to work to examine his prison.
Entailed: The prison was being examined.
Contradiction: He stayed far away from the prison, it was never examined.
Contradiction: The village of Akrotiri dates back to before 2000 b.c.
Contradiction: The woman is hula hooping.
Contradiction: The Coast Guard's rules forbid inspections of vessels.
Contradiction: Some people are observing fish in a fish tank.