Sentence 1: Microsoft did not demand that Netscape be removed, only that IE be there as well.

Sentence 2: Netscape was eventually discontinued from use.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: He formed the peaceful but powerful Catholic Association, and in 1829 the Duke of Wellington, in a bid to avoid a civil war, passed the Catholic Emancipation Bill, which allowed Irish Catholics to sit in the parliament at Westminster for the first time.

Sentence 2: In 1829 the Catholic Emancipation Bill failed to pass.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: All the discoveries have been made by Japp, and Japp will take all the credit.

Sentence 2: Japp is the one who will be honored for the discoveries, and rightly so.
Is this second sentence entailed by the first?

Answer:
yes