[Q]: Sentence: Simultaneously, in the east, the Ottomans crossed the Danube at Silistra and attacked the Russians at Oltenita. Question: What general crossed across the Danube at Vidin? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: The advantage of using groundwater sources is that even isolated communities and those economic activities located far from good surface water sources such as mining, agriculture, and tourism can be supplied from groundwater over nearly 80% of the country. Question: How much of the country does dam water supply the rest of the country with? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Kerry participated in the "Winter Soldier Investigation" conducted by VVAW of U.S. atrocities in Vietnam, and he appears in a film by that name that documents the investigation. Question: Who was Melvin Laird? OPTIONS:
- yes
- no
++++++++++
[A]:
no