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 1991 Lokhandwala Complex shootout was a gunbattle that occurred on 16 November 1991 at the Lokhandwala Complex, Bombay (now Mumbai), between seven gangsters led by Maya Dolas and members of the Mumbai police and the ATS led by the then Additional Commissioner of Police, Aftab Ahmed Khan. The four-hour-long shootout was termed as India's ``first daylight encounter'' and was videographed and conducted in full view of the public. It ended in the deaths of all seven gangsters, including Maya Dolas, Dilip Buwa and Anil Pawar.
 Question: shootout at lokhandwala is it a real story Context: Hua Hin Airport (Thai: ท่าอากาศยานหัวหิน) (IATA: HHQ, ICAO: VTPH) is an international airport serving Hua Hin District in the Prachuap Khiri Khan Province of Thailand.
 Question: is there an airport in hua hin thailand Context: The appendix has been identified as an important component of mammalian mucosal immune function, particularly B cell-mediated immune responses and extrathymically derived T cells. This structure helps in the proper movement and removal of waste matter in the digestive system, contains lymphatic vessels that regulate pathogens, and lastly, might even produce early defences that prevent deadly diseases. Additionally, it is thought that this may provide more immune defences from invading pathogens and getting the lymphatic system's B and T cells to fight the viruses and bacteria that infect that portion of the bowel and training them so that immune responses are targeted and more able to reliably and less dangerously fight off pathogens. In addition, there are different immune cells called innate lymphoid cells that function in the gut in order to help the appendix maintain digestive health.
 Question: is the appendix part of the immune system Context: The four-leaf clover is a rare variation of the common three-leaf clover. According to traditional superstition, such clovers bring good luck, though it is not clear when or how that superstition got started. The earliest mention of ``Fower-leafed or purple grasse'' is from 1640 and simply says that it was kept in gardens because it was ``good for the purples in children or others''. A description from 1869 says that four-leaf clovers were ``gathered at night-time during the full moon by sorceresses, who mixed it with vervain and other ingredients, while young girls in search of a token of perfect happiness made quest of the plant by day''. The first reference to luck might be from an 11-year-old girl, who wrote in an 1877 letter to St. Nicholas Magazine, ``Did the fairies ever whisper in your ear, that a four-leaf clover brought good luck to the finder?''
 Question: are there such things as four leaf clovers
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