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: Japan Standard Time or JST (日本標準時, Nihon Hyōjunji, or 中央標準時 Chūō Hyōjunji) is the standard timezone in Japan, 9 hours ahead of UTC (i.e. it is UTC+09:00). There is no daylight saving time, though its introduction has been debated several times. During World War II, it was often called Tokyo Standard Time.
 Question: does all of japan have the same time zone Context: Scientists, specifically biochemists, and martini connoisseurs have investigated the difference between a martini shaken and a martini stirred. The Department of Biochemistry at the University of Western Ontario in Canada conducted a study to determine if the preparation of a martini has an influence on their antioxidant capacity; the study found that the shaken gin martinis were able to break down hydrogen peroxide and leave only 0.072% of the peroxide behind, versus the stirred gin martini, which left behind 0.157% of the peroxide. Thus a shaken martini has more antioxidants than a stirred one. The study was done at the time because moderate consumption of alcohol appears to reduce the risk of cataracts, cardiovascular disease, and stroke.
 Question: is there a difference between shaken and stirred Context: The 2007 NBA Finals was the championship series of the National Basketball Association (NBA)'s 2006--07 season, and was the conclusion of the season's playoffs. The best-of-seven series was played between the Western Conference champion San Antonio Spurs and the Eastern Conference champion Cleveland Cavaliers. This was Cleveland's first trip to the NBA Finals in their franchise history and San Antonio's fourth. The Spurs swept the Cavaliers 4 games to 0. Tony Parker was named the series' MVP. The series was televised on ABC under the ESPN on ABC branding, and produced low television ratings comparing to the 2002 NBA Finals, when the Los Angeles Lakers swept the New Jersey Nets.
 Question: has a team ever been swept in the nba finals Context: The white bass, silver bass, or sand bass (Morone chrysops) is a freshwater fish of the temperate bass family Moronidae. It is the state fish of Oklahoma.
 Question: are white bass the same as sand bass 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. Located within the North American Cordillera, the Rockies are somewhat distinct from the Pacific Coast Ranges, Cascade Range, and the Sierra Nevada, which all lie farther to the west.
 Question: are the rocky mountains part of the northeast region Context: Since its inception, Oprah has appeared on the cover of each issue. The first shared cover is her April 2009 issue in which she appears with the First Lady Michelle Obama. The second shared cover is with fellow daytime host Ellen DeGeneres on the December 2009 issue. Four separate covers were shot for this special holiday issue. The December issue of O hit newsstands on November 12, 2009. O, the Oprah Magazine serves 63.6% Caucasian, 29.8% African-American, 8.8% Hispanic, 1.8% Asian and 6.6% other women. It is directed towards a median age of 47.9, median home value of $214,281, median HHI of $68,911, and median IEI of $38,756.
 Question: is oprah on every cover of o magazine
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Yes