Sentence 1: Tutankhamun died in mysterious circumstances without an heir.

Sentence 2: Tut died mysteriously.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Natives and visitors alike stroll on the grand Promenade des Anglais, financed by the town's English colony in 1822 to replace a little footpath.

Sentence 2: First built in 1937, the grand Promenade des Anglais is popular with visitors, but is almost never used by natives.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: let's get grass so that the kids can play in the yard and not have to be worried about the dirt so much you know

Sentence 2: We can get the grass at a nearby center so the children can play in the yard.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell