[Q]: Sentence: Double-slope stills are the most economical for decentralized domestic purposes, while active multiple effect units are more suitable for large-scale applications. Question: When was the first large solar distillation plant created? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: In evaluating the impact of Islam on the sub-continent, one must note that the northwestern sub-continent was a frequent target of tribes raiding from Central Asia. Question: From where did raiders come to attack the agrarian Indians? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Kazakhstan: The first torchbearer in Almaty, where the Olympic torch arrived for the first time ever on April 2, was the President of Kazakhstan Nursultan Nazarbaev. Question: What kind of activists were arrested in Almaty? OPTIONS:
- yes
- no
++++++++++
[A]:
no