Anchor: A woman gets into a position to hit a tennis ball.
Entailed: The woman is playing tennis.
Contradiction: The woman is playing baseball.
Contradiction: I do not work in the dispensary as I am a nurse.  
Contradiction: People are at a market.
Contradiction: Every cost needs more than one cost object to be successfully identified.
Contradiction: By staging his next special in Africa, Rock is taking his routine global.