Sentence 1: It used to be the headquarters of Jean-Paul Sartre and his existentialist acolytes wearing, winter or summer, black corduroys and long woolen scarves.

Sentence 2: Sartre did not spend time there.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Besides, by going to-night we have the chance of capturing that great man and super-criminal Mr. Brown! There was dead silence, and Sir James continued: "You have been followed here not a doubt of it.

Sentence 2: There is not chance of us ever catching Mr. Brown.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Named after the abolitionist, Schoelcher is proud of its reconstructed Benedictine monastery.

Sentence 2: There are no monasteries anywhere in Schoelcher.
Is this second sentence entailed by the first?

Answer:
no