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: NTSC is the analog TV format historically associated with the United States, Canada, Japan, South Korea, Mexico, Philippines, Taiwan, and other countries. PAL is the analog color TV format historically associated with most of Europe, most of Africa, China, India, Australia, New Zealand, Israel, North Korea, and other countries (plus Brazil, which uses the refresh rate and resolution commonly associated with NTSC). SECAM, a format associated with French-speaking Europe, while using the same resolution and refresh rate as PAL, is a distinct format which uses a very different system of color encoding. Some DVD players can only play discs identified as NTSC, PAL or SECAM, while others can play multiple standards.
 Question: can region 2 dvd be played in australia Context: The cougar (Puma concolor), also commonly known as the puma, mountain lion, panther or catamount, is a large felid of the subfamily Felinae native to the Americas. Its range, from the Canadian Yukon to the southern Andes of South America, is the widest of any large wild terrestrial mammal in the Western Hemisphere. An adaptable, generalist species, the cougar is found in most American habitat types. It is the biggest cat in North America, and the second-heaviest cat in the New World after the jaguar. Secretive and largely solitary by nature, the cougar is properly considered both nocturnal and crepuscular, although daytime sightings do occur. The cougar is more closely related to smaller felines, including the domestic cat (subfamily Felinae), than to any species of subfamily Pantherinae, of which only the jaguar is native to the Americas.
 Question: is a puma the same as a mountain lion Context: The War Powers Resolution (also known as the War Powers Resolution of 1973 or the War Powers Act) (50 U.S.C. 1541--1548) is a federal law intended to check the president's power to commit the United States to an armed conflict without the consent of the U.S. Congress. The Resolution was adopted in the form of a United States Congress joint resolution. It provides that the U.S. President can send U.S. Armed Forces into action abroad only by declaration of war by Congress, ``statutory authorization,'' or in case of ``a national emergency created by attack upon the United States, its territories or possessions, or its armed forces.''
 Question: does the president need congress to declare war Context: Penguins are popularly loved around the world, primarily for their unusually upright, waddling gait, impressive swimming ability and (compared to other birds) lack of fear of humans. Their striking black-and-white plumage is often likened to a white tie suit. Mistakenly, some artists and writers have penguins based at the North Pole. This is incorrect, as there are no wild penguins in the Northern Hemisphere. The cartoon series Chilly Willy helped perpetuate this myth, as the title penguin would interact with northern-hemisphere species, such as polar bears and walruses.
 Question: do any penguins live in the northern hemisphere
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