Sentence 1: In the center is the most ancient monument in Paris, the 23-m- (75-ft-) tall pink-granite Obelisk of Luxor from the temple of Ramses II, dating back to 1300 b.c.

Sentence 2: For nearly three thousands years, the Obelisk of Luxor has stood at its original site in Paris.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: The Portuguese also sailed down the west coast of Africa, going beyond Cape Bojador in 1434, a feat theretofore considered to be impossible.

Sentence 2: Before the Portuguese accomplished going past Cape Bojador, it was believed to be impossible to do so.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: They simply are!

Sentence 2: They are.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes