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 Battle of Fort Sumter (April 12--13, 1861) was the bombardment of Fort Sumter near Charleston, South Carolina by the Confederate States Army, and the return gunfire and subsequent surrender by the United States Army, that started the American Civil War. Following the declaration of secession by South Carolina on December 20, 1860, its authorities demanded that the U.S. Army abandon its facilities in Charleston Harbor. On December 26, Major Robert Anderson of the U.S. Army surreptitiously moved his small command from the vulnerable Fort Moultrie on Sullivan's Island to Fort Sumter, a substantial fortress built on an island controlling the entrance of Charleston Harbor. An attempt by U.S. President James Buchanan to reinforce and resupply Anderson using the unarmed merchant ship Star of the West failed when it was fired upon by shore batteries on January 9, 1861. South Carolina authorities then seized all Federal property in the Charleston area except for Fort Sumter.
 Question: did the south win the battle of fort sumter Context: In 1994, Robert Rodat wrote the script for the film. Rodat's script was submitted to producer Mark Gordon, who liked it and in turn passed it along to Spielberg to direct. The film is loosely based on the World War II life stories of the Niland brothers. A shooting date was set for June 27, 1997.
 Question: is saving private ryan based on a book Context: Andrei Kivilev (20 September 1973 -- 12 March 2003) was a professional road bicycle racer from Taldykorgan, Kazakhstan. In March 2003, he crashed during the Paris--Nice race and subsequently died of his injuries. His death was the trigger for the UCI to implement the compulsory wearing of helmets in all endorsed races.
 Question: do tour de france riders have to wear helmets Context: Welbeck made his way through the youth teams at Manchester United before making his senior debut in 2008 and scoring in the process. He was with United when they won the 2008--09 League Cup and the 2008 FIFA Club World Cup before being sent on loan to Preston North End and more recently Sunderland. From the 2011--12 season, Welbeck was a regular figure in the Manchester United first team. He was transferred to Arsenal in September 2014 for a £16 million fee.
 Question: has danny welbeck played at the world cup Context: The high-resolution, digital cinema grade video projector alternately projects right-eye frames and left-eye frames, switching between them 144 times per second. The projector is either a Texas Instruments Digital Light Processing device or Sony's reflective LCOS (liquid crystal on silicon). A push-pull electro-optical liquid crystal modulator called a ZScreen is placed immediately in front of the projector lens to alternately polarize each frame. It circularly polarizes the frames clockwise for the right eye and counter-clockwise for the left eye. The audience wears circularly polarized glasses that have oppositely polarized lenses that ensures each eye sees only its designated frame. In RealD Cinema, each frame is projected three times to reduce flicker, a system called triple flash. The source video is usually produced at 24 frames per second per eye (total 48 frames/s), which may result in subtle ghosting and stuttering on horizontal camera movements. A silver screen is used to maintain the light polarization upon reflection and to reduce reflection loss to counter some of the significant light loss due to polarization filter absorption. The result is a 3D picture that seems to extend behind and in front of the screen itself.
 Question: do you have to wear glasses for reald 3d
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Yes