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: The film is based on Paul Brickhill's 1950 book of the same name, a non-fiction first-hand account of the mass escape from Stalag Luft III in Sagan (now Żagań, Poland), in the province of Lower Silesia, Nazi Germany. A heavily fictionalised version of the escape is depicted in the film. The film was based on the real events but with numerous compromises for its commercial appeal, such as including Americans among the escapees (none of whom were actually American). The characters are based on real men, and in some cases are composites of several men. However, many details of the actual escape attempt were changed for the film, and the role of American personnel in both the planning and the escape was largely fabricated. The Great Escape was made by The Mirisch Company, released by United Artists, and produced and directed by John Sturges.
 Question: was the great escape based on a real story Context: St Pancras railway station (/ˈpæŋkrəs/), also known as London St Pancras and officially since 2007 as St Pancras International, is a central London railway terminus located on Euston Road in the London Borough of Camden. It is the terminal station for Eurostar continental services from London via High Speed 1 and the Channel Tunnel to Belgium, France and the Netherlands. It also handles East Midlands Trains and Thameslink services to Corby, Sheffield and Nottingham on the Midland Main Line and Southeastern high-speed trains to Kent via Ebbsfleet International and Ashford International, and local Thameslink cross-London services. It stands between the British Library, Regent's Canal and King's Cross railway station, sharing a London Underground station named King's Cross St. Pancras with the latter.
 Question: is london st pancras international the same as kings cross Context: The four-leaf clover is a rare variation of the common three-leaf clover. According to traditional superstition, such clovers bring good luck, though it is not clear when or how that superstition got started. The earliest mention of ``Fower-leafed or purple grasse'' is from 1640 and simply says that it was kept in gardens because it was ``good for the purples in children or others''. A description from 1869 says that four-leaf clovers were ``gathered at night-time during the full moon by sorceresses, who mixed it with vervain and other ingredients, while young girls in search of a token of perfect happiness made quest of the plant by day''. The first reference to luck might be from an 11-year-old girl, who wrote in an 1877 letter to St. Nicholas Magazine, ``Did the fairies ever whisper in your ear, that a four-leaf clover brought good luck to the finder?''
 Question: are there such things as four leaf clovers Context: Jackie Chan appears as a guard during the underground lair battle scene and gets his neck snapped by Lee. He also performed several stunts for the film, including the scene where Lee's character quickly climbs a rooftop at night. However, Yuen Wah was Lee's main stunt double for the film.
 Question: was jackie chan in the movie enter the dragon
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