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: Like all penguin species, emperor penguins have streamlined bodies to minimize drag while swimming, and wings that are more like stiff, flat flippers. The tongue is equipped with rear-facing barbs to prevent prey from escaping when caught. Males and females are similar in size and colouration. The adult has deep black dorsal feathers, covering the head, chin, throat, back, dorsal part of the flippers, and tail. The black plumage is sharply delineated from the light-coloured plumage elsewhere. The underparts of the wings and belly are white, becoming pale yellow in the upper breast, while the ear patches are bright yellow. The upper mandible of the 8 cm (3 in) long bill is black, and the lower mandible can be pink, orange or lilac. In juveniles, the auricular patches, chin and throat are white, while its bill is black. Emperor penguin chicks are typically covered with silver-grey down and have black heads and white masks. A chick with all-white plumage was found in 2001, but was not considered to be an albino as it did not have pink eyes. Chicks weigh around 315 g (11 oz) after hatching, and fledge when they reach about 50% of adult weight.
 Question: do male and female emperor penguins look different Context: Prince Albert (Glass Field) Airport (IATA: YPA, ICAO: CYPA) is located 1 nautical mile (1.9 km; 1.2 mi) northeast of Prince Albert, Saskatchewan, Canada.
 Question: is there an airport in prince albert saskatchewan Context: The cockatiel is the only member of the genus Nymphicus. It was previously considered a crested parrot or small cockatoo; however, more recent molecular studies have assigned it to its own subfamily, Nymphicinae. It is, therefore, now classified as the smallest of the Cacatuidae (cockatoo family). Cockatiels are native to Australia, and favour the Australian wetlands, scrublands, and bush lands.
 Question: is a cockatiel part of the parrot family Context: On 16 July 2008, the company was sold to NRDC Equity Partners, a private equity firm based in Purchase, New York, which already owned Lord & Taylor, the oldest luxury department store chain in the United States. The Canadian and U.S. holdings were transferred to NRDC Equity Partners' holding company, Hudson's Bay Trading Company, as of fall 2008.
 Question: is the hudson bay company the oldest company
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