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 Social Security number is a nine-digit number in the format ``AAA-GG-SSSS''. The number is divided into three parts: the first three digits, known as the area number because they were formerly assigned by geographical region; the middle two digits, known as the group number; and the final four digits, known as the serial number.
 Question: can a social security number have 8 digits Context: Diesel fuel pumps operate at a much higher pressure due to the engine's specs and are usually mechanical pumps such as common rail radial piston pump, common rail two piston radial, inline pump, port and helix, and metering unit design. Radial piston pumps used in cars and trucks are fuel lubricated, this helps with keeping oil out of the high pressure fuel. Oil in the fuel can raise emissions and clog injectors. Many diesel engines are common rail, which means all the injectors are supplied by one pipe full of high pressure fuel supplied by the fuel pump. Common rails dampen the pressure fluctuations when fuel is used by each injector and pumped into the cylinder. Common rails also make it easier for the fuel pressure to be measured by one device instead of one per cylinder. Port and Helix (plunger type) high pressure fuel pumps are most commonly used in marine diesels because of their simplicity, reliability, and its ability to be scaled up in proportion to the engine size.
 Question: does a diesel engine have a fuel pump Context: Zone defenses are common in international, college, and youth competition. In the National Basketball Association, zone defenses were prohibited until the 2001--2002 season, and most teams do not use them as a primary defensive strategy. The NBA has a defensive three-second violation rule, which makes it more difficult for teams to play zone, since such defenses usually position a player in the middle of the key to stop penetration. The Dallas Mavericks under coach Rick Carlisle are an example of an NBA team that have regularly used zone defenses.
 Question: can you play a zone defense in the nba Context: Latin America can be subdivided into several subregions based on geography, politics, demographics and culture. If defined as all of the Americas south of the United States, the basic geographical subregions are North America, Central America, the Caribbean and South America; the latter contains further politico-geographical subdivisions such as the Southern Cone, the Guianas and the Andean states. It may be subdivided on linguistic grounds into Hispanic America, Portuguese America and French America.
 Question: is latin america the same as central america Context: The maximum operating speed is 320 km/h (200 mph) (on a 387.5 km section of the Tōhoku Shinkansen). Test runs have reached 443 km/h (275 mph) for conventional rail in 1996, and up to a world record 603 km/h (375 mph) for maglev trains in April 2015.
 Question: is the shinkansen the fastest train in the world
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