Sentence 1: But the benefits of the new technologies--ultimately, immortality and the rewriting of the recipe for human beings--are precisely what philosophers ought to ponder.

Sentence 2: The new technologies should not be pondered by anyone.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: It was the year the first missionaries arrived from America.

Sentence 2: It took the missionaries 2 years to travel.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Then it was you, Mary, who destroyed the will? She shook her head, and Poirot shook his also.

Sentence 2: So you destroyed the will, Mary? She denied it.
Is this second sentence entailed by the first?

Answer:
yes