Sentence 1: Though it was a hazardous and parlous thing, with the sky falling...." He sighed and went out, while Dave went back to his delirium.

Sentence 2: Dave fell back into a fever dream after he exhaled and left.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: With 28 km (17 miles) of docks, Italy's biggest port remains the key to the city's identity.

Sentence 2: Italy's biggest port is the key to the city, with 17 miles of docks.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: oh my uh-huh can you do that on a credit card

Sentence 2: It is not possible that you can do that on a credit card.
Is this second sentence entailed by the first?

Answer:
no