[Q]: Sentence: This may be modified by adding low-density materials such as boron, which lowers the index of refraction (see crown glass), or increased (to as much as 1.8) with high-density materials such as (classically) lead oxide (see flint glass and lead glass), or in modern uses, less toxic oxides of zirconium, titanium, or barium. Question: What can be used to make glass less refractive? OPTIONS:
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[A]: yes

Q: Does "Mackintosh later agreed with Burke's views, remarking in December 1796 after meeting him, that Burke was "minutely and accurately informed, to a wonderful exactness, with respect to every fact relating to the French Revolution"." provide a valid answer to "Who did Mackintosh compare Burke to?"?
OPTIONS:
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A: no

Problem: Does "During the Revolutionary War period, several notable events occurred in the city, including Patrick Henry's "Give me liberty or give me death" speech in 1775 at St. John's Church, and the passage of the Virginia Statute for Religious Freedom written by Thomas Jefferson." answer the question "What famous speech did Patrick Henry give in Richmond?" OPTIONS:
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A: yes

Does the sentence "The collection features sportswear, denim offerings with fur, outerwear and accessories that include handbags and footwear, and are available at department and specialty stores across the US and Canada." provide a valid answer to the question "Where were items from the clothing line displayed?" OPTIONS:
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A: no

Question:
Choose your answer: Is "Regulation of hunting within the United States dates from the 19th century." a good answer to the question "When do hunting regulations date from in the US?" OPTIONS:
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- no
Answer:
yes

[Q]: Sentence: In June 2015, a 500-page United Nations Human Rights Council report accused Eritrea's government of extrajudicial executions, torture, indefinitely prolonged national service and forced labour, and indicated that sexual harassment, rape and sexual servitude by state officials are also widespread. Question: In what year was the United Nations Human Rights Council report written? OPTIONS:
- yes
- no
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[A]:
yes