Sentence 1: The Peak is still the most fashionable place to live in Hong Kong, but real estate prices here are astronomical; rents run around HK$50,000 a month.

Sentence 2: The Peak is considered so desirable because the ground is made of gold there.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Natural fertility was enhanced by Europe's most advanced systems of irrigation, still operating in the medieval canals that you'll see on your way south to Pavia.

Sentence 2: The medieval canals were so well placed that it is still utilized today, albeit remodeled.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Agency officials designated to be certifying officers (who certify payment) must have certain documents on file with Treasury, must follow Treasury regulations, and can be held legally liable for payments they authorize.

Sentence 2: In order to qualify as a certifying officer, rigorous evaluations must be done.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell