Context: Death from laughter is a rare form of death, usually resulting from cardiac arrest or asphyxiation, caused by a fit of laughter. Instances of death by laughter have been recorded from the times of ancient Greece to the modern day.
 Question: can you have a heart attack from laughing Context: This is a list of the last World War I veterans to die by country. The last living veteran of World War I (4 February 1914 -- 11 November 1918) was Florence Green, a British citizen who served in the Allied armed forces, and who died 4 February 2012, aged 110. The last combat veteran was Claude Choules who served in the British Royal Navy (and later the Royal Australian Navy) and died 5 May 2011, aged 110. The last veteran who served in the trenches was Harry Patch (British Army) who died on 25 July 2009, aged 111. The last Central Powers veteran, Franz Künstler of Austria-Hungary, died on 27 May 2008 at the age of 107.
 Question: are there any world war 1 survivors left Context: A passport stamp is a rubber stamp inked impression received in one's passport upon entering or exiting a country. Passport stamps may occasionally take the form of sticker stamps, such as entry stamps from Japan. Depending on nationality, a visitor may not receive a stamp (unless specifically requested), such as an EU/EFTA citizen travelling to an EU/EFTA country, Albania or Macedonia. Most countries issue exit stamps in addition to entry stamps. A few countries issue only entry stamps, including Australia, Canada, United States, New Zealand, Ireland, the United Kingdom, and El Salvador. Hong Kong, Macau, and Israel do not stamp passports upon entry nor exit, but issue landing slips instead. Visas may also take the form of passport stamps.
 Question: do you get a passport stamp in macau Context: In the English and British tradition, the royal prerogative of mercy is one of the historic royal prerogatives of the British monarch, by which he or she can grant pardons (informally known as a royal pardon) to convicted persons. The royal prerogative of mercy was originally used to permit the monarch to withdraw, or provide alternatives to death sentences; the alternative of penal transportation to ``partes abroade'' has been used since at least 1617. It is now used to change any sentence or penalty. A royal pardon does not itself overturn a conviction.
 Question: does the queen have the power to pardon Context: A player who plays their next-to-last-card must call ``Uno'' as a warning to the other players.
 Question: uno rules do you have to say uno out Context: In a referendum on 23 June 2016, 51.9% of the participating UK electorate voted to leave the EU. On 29 March 2017, the British government invoked Article 50 of the Treaty on the European Union; although revoking this might be legally possible, the UK is thus on course to leave the EU by March 2019.
 Question: is great britain still part of the european union
Yes
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Yes
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Yes