Sentence 1: Understand?

Sentence 2: Grand slam?
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Nearby San Marino is home to a few of the county's very best museums.

Sentence 2: San Marino has some of the best museums in the country.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: The alleys of Patan lead to a succession of half-hidden temples and shrines of great beauty and interest.

Sentence 2: Patan's alleyways are filled with beggars seeking alms and merchants hurrying to and fro.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell