question: OPTIONS:
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Traveling to Lhasa either through Qinghai or via the Silk Road to Khotan, Hou Xian and Zhi Guang did not return to Nanjing until 1407.
Where did Hou Xian and Zhi Guang travel through on their way to the Karmapa?

answer: yes

[Q]: Sentence: Nasser made Egypt fully independent of British influence, and the country became a major power in the developing world under his leadership. Question: What did Nasser work to put into place in Egypt? OPTIONS:
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++++++++++
[A]: no

Q: Does "The Constitution, which consists of 120 articles, provides for a separation of powers into executive, legislative, and judicial branches, and grants extensive specific guarantees (further reinforced in 2001) of civil liberties and social rights." provide a valid answer to "Greece's constitution has how many articles?"?
OPTIONS:
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A: yes

Problem: Does "The majority of studies indicate antibiotics do interfere with contraceptive pills, such as clinical studies that suggest the failure rate of contraceptive pills caused by antibiotics is very low (about 1%)." answer the question "What percent is the failure rate of contraceptive pills?" OPTIONS:
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A: yes

Does the sentence "A predator's effect on its prey species is hard to see in the short-term." provide a valid answer to the question "Are predator's effects on prey easiest to see in the short-term or long-term?" OPTIONS:
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A: no

Does the sentence "Indeed, this was Moltke's expectation." provide a valid answer to the question "What commander of the General Staff held the expectaion of independent thinking in his officers?" OPTIONS:
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A:
yes