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: Crayfish, also known as crawfish, crawdads, crawldads, freshwater lobsters, mountain lobsters, mudbugs or yabbies, are freshwater crustaceans resembling small lobsters (to which they are related). Taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea. They breathe through feather-like gills. Some species are found in brooks and streams where there is running fresh water, while others thrive in swamps, ditches, and paddy fields. Most crayfish cannot tolerate polluted water, although some species such as Procambarus clarkii are hardier. Crayfish feed on animals and plants, either living or decomposing, and detritus.
 Question: is there a difference between crayfish and crawfish Context: Angus MacGyver (known as just MacGyver, or Mac) is a title character and the protagonist in the ABC television series MacGyver. He is played by Richard Dean Anderson. MacGyver works as a problem solver for the fictional Phoenix Foundation in Los Angeles. Educated as a scientist and with a background from a fictional United States government agency, the Department of External Services (DXS), he is a resourceful secret agent able to solve a range of problems. In addition to his scientific knowledge and inventive use of common items, he always carries a Swiss Army knife and a roll of duct tape. He prefers non-violent conflict resolution wherever possible and refuses to carry a gun but will sometimes use one (such as the AK47 rifle that he used briefly in the pilot episode). Lucas Till portrays a younger version of MacGyver in the rebooted 2016 TV series.
 Question: is the new macgyver the old macgyver's son Context: A hot air balloon is a lighter-than-air aircraft consisting of a bag, called an envelope, which contains heated air. Suspended beneath is a gondola or wicker basket (in some long-distance or high-altitude balloons, a capsule), which carries passengers and (usually) a source of heat, in most cases an open flame. The heated air inside the envelope makes it buoyant since it has a lower density than the colder air outside the envelope. As with all aircraft, hot air balloons cannot fly beyond the atmosphere. Unlike gas balloons, the envelope does not have to be sealed at the bottom, since the air near the bottom of the envelope is at the same pressure as the surrounding air. In modern sport balloons the envelope is generally made from nylon fabric and the inlet of the balloon (closest to the burner flame) is made from a fire resistant material such as Nomex. Modern balloons have been made in all kinds of shapes, such as rocket ships and the shapes of various commercial products, though the traditional shape is used for most non-commercial, and many commercial, applications.
 Question: is a hot air balloon considered an aircraft Context: The Conservative/Liberal Democrat Coalition formed after the 2010 general election announced that the ID card scheme would be scrapped. The Identity Cards Act was repealed by the Identity Documents Act 2010 on 21 January 2011, and the cards were invalidated with no refunds to purchasers. Foreign nationals from outside the European Union, however, continue to require an ID card for use as a biometric residence permit under the provisions of the UK Borders Act 2007 and the Borders, Citizenship and Immigration Act 2009.
 Question: are id cards still valid in the uk
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