Sentence 1: Monti believed that a decision to screen only for patients with severe alcohol problems is premature.

Sentence 2: Monti insisted that all patients be screened for alcohol problems.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: The best mosaics are in the galleries, reached by a spiral ramp at the north end of the narthex.

Sentence 2: The best mosaics can be viewed by taking a spiral ramp to the galleries.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Originally the post was simply an inter-city letter service.

Sentence 2: The post used to be just for inter-city communications.
Is this second sentence entailed by the first?

Answer:
yes