Sentence 1: Or go the other way and revive Al Gore's sagging fortunes with a time-honored sitcom helper--big campaign closer--a wedding!

Sentence 2: Al Gore's was riding a huge wave of popularity.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: In short, the rate structure could be established in order to be competitive or to base the prices on the actual costs of the mail, and worksharing activity could occur as a natural result.

Sentence 2: Rates can be set at either a competitive rate or at the base cost point.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Managing Director, Applied Research and Methods

Sentence 2: Not the Applied Research and Methods Managing Director.
Is this second sentence entailed by the first?

Answer:
no