Sentence 1: Yet the Frenchman's travels might not have been possible if many stage-coach companies had not been subsidized--through Congress--so that mail could be carried, and representatives travel home, to remote districts.

Sentence 2: Many Frenchmen may not have been able to go home if it hadn't been for the subsidies introduced by Congress.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: and i think that uh it's getting so darned expensive now i went to a school in Maine Bowden College in Brunswick Maine and uh it's a a small at that time all male school there are more uh uh males uh men's schools than women's schools in those days they're all all the old New England traditional schools are now coed

Sentence 2: There have never been any all-male colleges in New England.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: This is a political as well as military project.

Sentence 2: This project has nothing to do with politics.
Is this second sentence entailed by the first?

Answer:
no