Sentence 1: Horseback The grassy valleys and gentle slopes of the Sea of Galilee provide classic horse-riding terrain.

Sentence 2: The Sea of Galilee's terrain makes horseback riding impossible.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Finally, a sister is getting to go to the ball, says Newsweek 's Veronica Chambers.

Sentence 2: A sister is going to be able to go to the charity ball.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: They crossed swords in a blaze of shining steel.

Sentence 2: The swords were used for the pair to fight to the death.
Is this second sentence entailed by the first?

Answer:
no