Sentence 1: This observation was based in part on the results of a national survey of trauma centers which revealed that blood alcohol testing, which is often a precursor for any intervention, was routinely conducted at only 64 percent of centers despite a published guideline by the Committee on Trauma of the American College of Surgeons indicating that testing was an essential characteristic for those centers.

Sentence 2: A national survey revealed 100% of centers were conducting the mandatory blood alcohol testing.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: To help promote effective implementation of federal financial management reform, we studied the financial management practices and improvement efforts of nine leading private and public sector finance organizations to identify the success factors, practices, and outcomes associated with worldclass financial management.

Sentence 2: Financial management studies were not studied.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Kat Hing Wai was built four or five centuries ago by the Hakka Tang clan, one of the Five Great Clans that migrated here from North China .

Sentence 2: The Hakka Tang clan were one of the most brutally violent of the Five Great Clans.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell