The problem: Answer a question about this article:
The International Organization for Standardization has established a number of standards relating to solar energy equipment. For example, ISO 9050 relates to glass in building while ISO 10217 relates to the materials used in solar water heaters.
ISO 9050 relates to standards for what?
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The answer: glass in building


The problem: Answer a question about this article:
Beyoncé has been described as a having a wide-ranging sex appeal, with music journalist Touré writing that since the release of Dangerously in Love, she has "become a crossover sex symbol". Offstage Beyoncé says that while she likes to dress sexily, her onstage dress "is absolutely for the stage." Due to her curves and the term's catchiness, in the 2000s, the media often used the term "Bootylicious" (a portmanteau of the words booty and delicious) to describe Beyoncé, the term popularized by Destiny's Child's single of the same name. In 2006, it was added to the Oxford English Dictionary.
Bootylicious was a song from which act that Beyonce performed with?
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The answer: Destiny's Child


The problem: Answer a question about this article:
In 1682, William Penn founded the city to serve as capital of the Pennsylvania Colony. Philadelphia played an instrumental role in the American Revolution as a meeting place for the Founding Fathers of the United States, who signed the Declaration of Independence in 1776 and the Constitution in 1787. Philadelphia was one of the nation's capitals in the Revolutionary War, and served as temporary U.S. capital while Washington, D.C., was under construction. In the 19th century, Philadelphia became a major industrial center and railroad hub that grew from an influx of European immigrants. It became a prime destination for African-Americans in the Great Migration and surpassed two million occupants by 1950.
What purpose did Philadelphia serve while D.C. was under construction?
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The answer: temporary U.S. capital


The problem: Answer a question about this article:
The Human Development Index (HDI) is a composite statistic of life expectancy, education, and income per capita indicators, which are used to rank countries into four tiers of human development. A country scores higher HDI when the life expectancy at birth is longer, the education period is longer, and the income per capita is higher. The HDI was developed by the Pakistani economist Mahbub ul Haq, often framed in terms of whether people are able to "be" and "do" desirable things in their life, and was published by the United Nations Development Programme.
What entity publishes the HDI?
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The answer:
United Nations Development Programme