Anchor: Two firefighter are surrounded by smoke.
Entailed: There are two people in the smoke.
Contradiction: There is a dog in the smoke.
Contradiction: there is a hurricane
Contradiction: Four people sit on a subway wearing germ masks, one of whome is wearing headphone.
Contradiction: A perfectly dressed and groomed woman arrives at a swanky society ball.
Contradiction: The forum participants were presented with a study sponsored by the FFC.