Sentence 1: Jon, Ca'daan, Susan, and the Kal approached the town's main road and once again they were met by Severn and the spear wielders.

Sentence 2: They went to the road, where they saw Severn.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: After all, it came to recognize, the mission of the marine safety program was not to do more and better inspections of vessels, but to save lives.

Sentence 2: Each time the marine safety program added new regulations, the longer the actual physical examinations took.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: In the 17th century this fort was all there was to the town, but dwellings were gradually built up around it on reclaimed marshland.

Sentence 2: Dwellings around the fort were built up over time.
Is this second sentence entailed by the first?

Answer:
yes