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 American Hockey League, the top minor league in North America required all players to wear a visor prior to the start of the 2006--07 season. The NHL ``strongly recommends'' the use of visors. In 2013, the NHL began requiring all players with less than 25 games of experience to wear visors.
 Question: is it mandatory to wear a visor in the nhl Context: Yonge Street was formerly a part of Highway 11, which led to claims that Yonge Street was the longest street in the world. Running from the shores of Lake Ontario, through central and northern Ontario to the Ontario-Minnesota border at Rainy River, together they were over 1,896 kilometres (1,178 mi) long. But Yonge Street could only be called the longest street in the world if ``Highway 11'' and ``Yonge Street'' were fully synonymous, which has never been the case.
 Question: is yonge street in toronto the longest in the world Context: Status as a natural-born citizen of the United States is one of the eligibility requirements established in the United States Constitution for holding the office of President or Vice President. This requirement was intended to protect the nation from foreign influence.
 Question: do you have to be born in the us to become president Context: In computing, a hash table (hash map) is a data structure that implements an associative array abstract data type, a structure that can map keys to values. A hash table uses a hash function to compute an index into an array of buckets or slots, from which the desired value can be found.
 Question: are hash tables and hash maps the same Context: The Rocky Mountains, also known as the Rockies, are a major mountain range in western North America. The Rocky Mountains stretch more than 3,000 miles (4,800 km) from the northernmost part of British Columbia, in western Canada, to New Mexico, in the Southwestern United States. Within the North American Cordillera, the Rockies are somewhat distinct from the Pacific Coast Ranges, Cascade Range, and the Sierra Nevada, which all lie further to the west.
 Question: are the sierra nevadas part of the rockies Context: The Birmingham Bridge is notable for the dead end lanes that were originally to be part of a city belt system. The project was canceled and the bridge rerouted. A pedestrian walkway runs along the downstream side of the bridge, ending at steps at the south abutment of the bridge.
 Question: can you walk across the birmingham bridge in pittsburgh Context: A sphere (from Greek σφαῖρα -- sphaira, ``globe, ball'') is a perfectly round geometrical object in three-dimensional space that is the surface of a completely round ball (viz., analogous to the circular objects in two dimensions, where a ``circle'' circumscribes its ``disk'').
 Question: is a circle the same as a sphere
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