Sentence 1: Other experts are concerned about the quality

Sentence 2: Experts think the water is unsafe to drink.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: The egg was put into a surrogate sheep mother and, 21 weeks later, we got Dolly.

Sentence 2: Dolly came from a surrogate cow mother.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Pursuant to a contract with the National Center on Poverty Law, NCPL held training events at nine sites nationally on conducting poverty law research via the Internet and other webbased tools.

Sentence 2: NCPL sought to teach people how to research poverty law on the internet.
Is this second sentence entailed by the first?

Answer:
yes