Sentence 1: From an enforcement perspective, the SEC has certain civil enforcement powers that it can use to address violations of the nation's securities laws.

Sentence 2: The SEC has no power at all to address any type of violation.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: The same 18th-century looms are still used, though the number of workers has dwindled considerably.

Sentence 2: It isn't good or bad that the number of workers has dwindled considerably.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: The Khedive Ismael had extravagant plans for numerous great works that were to be financed by Western European powers, but when he became stuck in a financial quagmire, they insisted on bringing in their own advisors to control key institutions.

Sentence 2: The Khedive Ismael had big plans he waned to implement.
Is this second sentence entailed by the first?

Answer:
yes