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: According to harlemwizards.com, in 1943, Harlem Wizards creator Howie Davis was working as a Sports Promoter and the Sergeant and Recreation Director at Wright-Patterson Air Force Base in Dayton, Ohio. The World Championship of Basketball Tournament in Chicago asked Davis to provide an emergency 8th team to compete in the tournament. Within one week, Davis assembled the Dayton Dive Bombers. The Dive Bombers' first round opponent in the tournament was the previous World Champion, the Harlem Globetrotters. The Dive Bombers pulled the upset and the Globetrotters' manager, Abe Saperstein, refused to even shake Davis' hand after the game. Davis was intrigued by this event, and twenty years later, he decided to create his own show basketball team, the Harlem Wizards.
 Question: are the harlem wizards the same as the harlem globetrotters Context: The sixth season of the American ABC fantasy-drama Once Upon a Time was ordered on March 3, 2016. It debuted on September 25, 2016, and concluded on May 14, 2017. In January 2017, it was stated that the sixth season would end the main storyline, and for a seventh season, the series would be softly rebooted with a new storyline.
 Question: is it the final season of once upon a time Context: Cats have seven cervical vertebrae like almost all mammals, thirteen thoracic vertebrae (humans have twelve), seven lumbar vertebrae (humans have five), three sacral vertebrae (humans have five because of their bipedal posture), and, except for Manx cats and other shorter tailed cats, twenty-two or twenty-three caudal vertebrae (humans have three to five, fused into an internal coccyx). The extra lumbar and thoracic vertebrae account for the cat's enhanced spinal mobility and flexibility, compared to humans. The caudal vertebrae form the tail, used by the cat as a counterbalance to the body during quick movements. Between their vertebrae, they have elastic discs, useful for cushioning the jump landings.
 Question: are there bones in a cat's tail Context: Pokémon Mystery Dungeon: Explorers of Time and Pokémon Mystery Dungeon: Explorers of Darkness are a matched pair of Pokémon games for the Nintendo DS. The two games were released in Japan on September 13, 2007, and were released in North America on April 20, 2008. They were released in Europe on July 4, 2008. A third version, Pokémon Mystery Dungeon: Explorers of Sky, was released in 2009.
 Question: is pokemon mystery dungeon explorers of the sky the same as time and darkness Context: Damage waiver or, as it is often referred to, collision damage waiver (CDW) or loss damage waiver (LDW), is optional damage insurance coverage that is available to you when you rent a car.
 Question: is collision damage waiver the same as loss damage waiver Context: A common market is usually referred to as the first stage towards the creation of a single market. It usually is built upon a free trade area with no tariffs for goods and relatively free movement of capital and of services, but not so advanced in reduction of non-tariff trade barriers.
 Question: is single market and common market the same
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