The problem: Answer a question about this article:
Vacuum is space void of matter. The word stems from the Latin adjective vacuus for "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. Physicists often discuss ideal test results that would occur in a perfect vacuum, which they sometimes simply call "vacuum" or free space, and use the term partial vacuum to refer to an actual imperfect vacuum as one might have in a laboratory or in space. In engineering and applied physics on the other hand, vacuum refers to any space in which the pressure is lower than atmospheric pressure. The Latin term in vacuo is used to describe an object as being in what would otherwise be a vacuum.
What Latin term is used to describe an object in a vacuum?
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The answer: in vacuo


The problem: Answer a question about this article:
Between 2007 and 2013, Estonia receives 53.3 billion kroons (3.4 billion euros) from various European Union Structural Funds as direct supports by creating the largest foreign investments into Estonia ever. Majority of the European Union financial aid will be invested into to the following fields: energy economies, entrepreneurship, administrative capability, education, information society, environment protection, regional and local development, research and development activities, healthcare and welfare, transportation and labour market.
What year was the start of investments from the European Union Structural Funds?
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The answer: 2007


The problem: Answer a question about this article:
The expansion of mandolin use continued after World War II through the late 1960s, and Japan still maintains a strong classical music tradition using mandolins, with active orchestras and university music programs. New orchestras were founded and new orchestral compositions composed. Japanese mandolin orchestras today may consist of up to 40 or 50 members, and can include woodwind, percussion, and brass sections. Japan also maintains an extensive collection of 20th Century mandolin music from Europe and one of the most complete collections of mandolin magazines from mandolin's golden age, purchased by Morishige Takei.
What country still maintains strong classic music tradition with mandolin?
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The answer: Japan


The problem: Answer a question about this article:
Arsenal's parent company, Arsenal Holdings plc, operates as a non-quoted public limited company, whose ownership is considerably different from that of other football clubs. Only 62,217 shares in Arsenal have been issued, and they are not traded on a public exchange such as the FTSE or AIM; instead, they are traded relatively infrequently on the ICAP Securities and Derivatives Exchange, a specialist market. On 10 March 2016, a single share in Arsenal had a mid price of £15,670, which sets the club's market capitalisation value at approximately £975m. Most football clubs aren't listed on an exchange, which makes direct comparisons of their values difficult. Business magazine Forbes valued Arsenal as a whole at $1.3 billion in 2015. Consultants Brand Finance valued the club's brand and intangible assets at $703m in 2015, and consider Arsenal an AAA global brand. Research by the Henley Business School modelled the club's value at £1.118 billion in 2015, the second highest in the Premier League.
At what rank in value in the Premier League is Arsenal?
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The answer:
second highest