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: Temperature control (thermoregulation) is part of a homeostatic mechanism that keeps the organism at optimum operating temperature, as the temperature affects the rate of chemical reactions. In humans, the average internal temperature is 37.0 °C (98.6 °F), though it varies among individuals. However, no person always has exactly the same temperature at every moment of the day. Temperatures cycle regularly up and down through the day, as controlled by the person's circadian rhythm. The lowest temperature occurs about two hours before the person normally wakes up. Additionally, temperatures change according to activities and external factors.
 Question: does human body temperature change during the day Context: In optics, a real image is an image which is located in the plane of convergence for the light rays that originate from a given object. If a screen is placed in the plane of a real image the image will generally become visible on the screen. Examples of real images include the image seen on a cinema screen (the source being the projector), the image produced on a detector in the rear of a camera, and the image produced on an eyeball retina (the camera and eye focus light through an internal convex lens). In ray diagrams (such as the images on the right), real rays of light are always represented by full, solid lines; perceived or extrapolated rays of light are represented by dashed lines. A real image occurs where rays converge, whereas a virtual image occurs where rays only appear to converge.
 Question: can a real image be obtained on a screen Context: The South Shetland Islands are a group of Antarctic islands, lying about 120 kilometres (75 mi) north of the Antarctic Peninsula, with a total area of 3,687 square kilometres (1,424 sq mi). By the Antarctic Treaty of 1959, the islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for non-military purposes.
 Question: are the south shetland islands part of antarctica Context: The Greatest Showman is a 2017 American musical film directed by Michael Gracey in his directorial debut, written by Jenny Bicks and Bill Condon and starring Hugh Jackman, Zac Efron, Michelle Williams, Rebecca Ferguson, and Zendaya. The film is inspired by the story of P.T. Barnum's creation of the Barnum & Bailey Circus and the lives of its star attractions.
 Question: was the greatest showman based on barnum and bailey Context: Be Cool is a 2005 American crime-comedy film adapted from Elmore Leonard's 1999 novel of the same name and the sequel to Leonard's 1990 novel Get Shorty (itself adapted into a 1995 film of the same name) about mobster Chili Palmer's entrance into the music industry.
 Question: is be cool the sequel to get shorty
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