Sentence 1: Marcus and I had fought together in the last days of the Voth war.

Sentence 2: Marcus is a veteran of the Voth war--I did not fight, and instead rallied for the end of hostilities.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: After World War II it emerged as one of Tokyo's major transportation hubs, and today an estimated three million people pass through Shinjuku Station every day.

Sentence 2: Half of the people that travel through Shinjuku station each day are female.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Naples Republicans Dudley Goodlette in the House and Burt Saunders in the Senate, both attorneys, are being supported by our area Reps.

Sentence 2: The Senate's Burt Saunders is being supported by local representatives.
Is this second sentence entailed by the first?

Answer:
yes