Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Time has long been a major subject of study in religion, philosophy, and science, but defining it in a manner applicable to all fields without circularity has consistently eluded scholars. Nevertheless, diverse fields such as business, industry, sports, the sciences, and the performing arts all incorporate some notion of time into their respective measuring systems. Some simple definitions of time include "time is what clocks measure", which is a problematically vague and self-referential definition that utilizes the device used to measure the subject as the definition of the subject, and "time is what keeps everything from happening at once", which is without substantive meaning in the absence of the definition of simultaneity in the context of the limitations of human sensation, observation of events, and the perception of such events.
Which three fields usually support performing arts?
A: unanswerable

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The majority of British Jews live in London, with significant Jewish communities in Stamford Hill, Stanmore, Golders Green, Finchley, Hampstead, Hendon and Edgware in North London. Bevis Marks Synagogue in the City of London is affiliated to London's historic Sephardic Jewish community. It is the only synagogue in Europe which has held regular services continuously for over 300 years. Stanmore and Canons Park Synagogue has the largest membership of any single Orthodox synagogue in the whole of Europe, overtaking Ilford synagogue (also in London) in 1998. The community set up the London Jewish Forum in 2006 in response to the growing significance of devolved London Government.
For how long has the Bevis Marks Synagogue in London been conducting religious services continuously? 
A: over 300 years

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Following capture and occupation by the United States during World War II, the Marshall Islands, along with several other island groups located in Micronesia, passed formally to the United States under United Nations auspices in 1947 as part of the Trust Territory of the Pacific Islands established pursuant to Security Council Resolution 21.
In what year was the Trust Territory of the Pacific Islands created?
A: 1947

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The Solís Theatre is Uruguay's oldest theatre. It was built in 1856 and is currently owned by the government of Montevideo. In 1998, the government of Montevideo started a major reconstruction of the theatre, which included two US$110,000 columns designed by Philippe Starck. The reconstruction was completed in 2004, and the theatre reopened in August of that year. The plaza is also the site of the offices of the President of Uruguay (both the Estévez Palace and the Executive Tower). The Artigas Mausoleum is located at the centre of the plaza. Statues include that of José Gervasio Artigas, hero of Uruguay's independence movement; an honour guard keeps vigil at the Mausoleum.
When was The Solis Theater built?
A:
1856