Sentence 1: Well, then?

Sentence 2: I have nothing to say.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: At a special reception for the opening of the National Gallery exhibition, Hillary Rodham Clinton revealed that her first date with the future president was to go see a Rothko show at Yale.

Sentence 2: Clinton said her first date in 1973 was an art show.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: In a way, the one-world battle is over.

Sentence 2: The point has been made, therefore the one-world battle is over.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell