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 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 there a season six of once upon a time Context: Canadian law requires that all persons entering Canada must carry proof of both citizenship and identity. A valid U.S. passport or passport card is preferred, although a birth certificate, naturalization certificate, citizenship certificate, or another document proving U.S. nationality, together with a government-issued photo ID (such as a driver's license) are acceptable to establish identity and nationality. However, the documents required to return to the United States can be more restrictive (for example, a birth certificate and photo ID are insufficient) -- see the section below on Return entry into the U.S.
 Question: do you need a birth certificate to get into canada Context: There are 92 association football teams in the top four tiers of English football, all of which have a manager, or pair of joint managers, sometimes given the alternative title of head coach. The Premier League and Football Leagues are the only fully professional football leagues in England. The Premier League consists of 20 clubs at the top of the English football league system. The remaining 72 clubs are split into the three divisions of the Football League: the Championship, League One, and League Two.
 Question: are there any english managers in the premier league Context: Modern steeplechase races have an average of just over 4 equine fatalities for every 1,000 horses taking part, according to the British Horseracing Authority. However, the Grand National, a popular steeplechase held annually in England, yielded 7 fatalities out of 439 horses taking part between 2000 and 2010.
 Question: did a horse die on the grand national
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