Anchor: Two girls in a pool, one catching a ball the other has thrown.
Entailed: The girls are playing catch in the pool.
Contradiction: The girls are playing tennis in the pool.
Contradiction: No negative side effects have been discovered by use of acid aerosols
Contradiction: Subsequent generations of workers may have their living standard affected by savings choices made by people currently putting away retirement income.
Contradiction: The fair is shut down for the day.
Contradiction: There are clothes in a case.