Sentence 1: Planted with hundreds of pretty blooms, all in pristine condition, it has kept accurate time since its creation in 1903.

Sentence 2: Since its creation in 1903 it has not been capable of keeping accurate time.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: yeah that's on right it's on again tonight

Sentence 2: The person is confirming that the show will not be on again tonight.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: CIOs provide leadership and vision, focusing senior executives on highvalue information technology issues, investments, and decisions.

Sentence 2: CIOs help senior executives focus on high value technology issues.
Is this second sentence entailed by the first?

Answer:
yes