Sentence 1: Its ramparts, built and rebuilt from the 12th to the 18th centuries, make a bracing walk, with the stretch between the Saint-Philippe bastion and the Tour Bidouane opening up a vista along the whole Emerald Coast.

Sentence 2: The ramparts were rebuilt in the 9th century only.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: This spring, the government bolstered the myth of financial privacy by cynically folding its KYC hand when its regulatory methods and practices were noisily scrutinized.

Sentence 2: Financial privacy is a myth and the government knows it.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Using a pun on Red Herring 's name, Perkins' note appeared to imply that a Bush donation would enhance readers' relationship to the publication.

Sentence 2: Donating money to Bush would increase the value of the publicized work.
Is this second sentence entailed by the first?

Answer:
yes