Sentence 1: The shorter one, 2 km (1 mile) to the outstanding lookout point known as the Balc??es ( balconies ), takes just 45 minutes roundtrip.

Sentence 2: The shorter one goes to a lookout about 2km away.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: When Brady photographed the leaders of the antebellum years--Daniel Webster, Henry Clay, and the rest--he turned them into actors too.

Sentence 2: Webster, Clay, and others were leaders in the antebellum years.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: It could go off the rails at any moment.

Sentence 2: The train could be derailed at any moment.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell