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Answer: Context: The Battle of Rio de Janeiro was a battle in 1558 on the French town at Rio de Janeiro, called Henriville. The Portuguese, though in far smaller numbers, defeated the French and made them flee to the jungle. The French town was then burnt by Mem de Sa, the Portuguese governor.

Hypothesis: There is another town known as Mem de Sa that exists now

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Answer: Context: The 2002 Indian vice-presidential election was held on 12 August 2002 to elect the newly-vacated post of Vice-President of India. Bhairon Singh Shekhawat defeated Sushil Kumar Shinde to become 11th Vice President of India. Incumbent VP Krishan Kant did not contest the election and died before the election occurred.

Hypothesis: The 2002 Indian vice-presidential election had a loser.

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Answer: Context: iO, or iO Chicago, (formerly known as "ImprovOlympic") is an improv theater and training center in central Chicago, with a branch in Los Angeles called iO West. The theater both teaches and hosts performances of improvisational comedy. It was founded in 1981 by the late Del Close and Charna Halpern. The theater has many notable alumni, including Amy Poehler and Stephen Colbert.

Hypothesis: ImprovOlympic will open another branch

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Answer:
Context: CapX is a British online news website and aggregator founded by the Centre for Policy Studies, and features columnists and contributors such as Tim Montgomerie, Daniel Hannan and V. S. Naipaul. The site offers original content and aggregated news and blogs, and features opinion on politics, economics, and business issues.

Hypothesis: The Centre for Policy Studies offered more original content than aggregated content.