Sentence 1: Still, its hidden coves, remarkable natural harbors, and more than 1,000 Megalithic monuments inscrutable remnants of the island's prehistoric origins are dazzling.

Sentence 2: There are a total of 500 Megalithic monuments on the island.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Did campaigns orchestrate such donations?

Sentence 2: Did the campaigns orchestrate the donations of over a million dollars?
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Although C-R functions are available to estimate health effects of exposure to nitrogen oxides

Sentence 2: Exposure to nitrogen oxides cause no health effects.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
no