Sentence 1: Through a Crusader arch, stairs lead down a long passageway to the Orthodox Church of the Assumption.

Sentence 2: The church and arch were built at the same time.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: She had noticed the speaker more than once amongst the first-class passengers.

Sentence 2: She was not able to find the speaker within first class or economy.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: I had never understood his insistence on that point.

Sentence 2: I didn't undrestand why he clung to that idea.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes