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: Birmingham Airport (IATA: BHX, ICAO: EGBB), formerly Birmingham International Airport and before that, Elmdon Airport, is an international airport located 7 nautical miles (13 km; 8.1 mi) east-southeast of Birmingham city centre, slightly north of Bickenhill in the Metropolitan Borough of Solihull, England. It has a CAA Public Use Aerodrome Licence (Number P451) that allows flights for the public transport of passengers or for flying instruction. Passenger throughput in 2017 was over 12.9 million, making Birmingham the seventh busiest UK airport. The airport offers both domestic flights within the UK and international flights to destinations in Europe, the Middle East, the Indian subcontinent, North America and the Caribbean. Birmingham Airport is an operating base for Flybe, Jet2.com, Ryanair, Thomas Cook Airlines and TUI Airways, and it served as a base for Monarch Airlines and Primera Air before Monarch ceased operations in October 2017 and Primera Air in October 2018.
 Question: is there more than one airport in birmingham Context: Dermatophagia (from Ancient Greek δέρμα - skin - and φαγεία - eating) is a compulsion disorder of gnawing, biting or eating one's own skin, most commonly at the fingers. People with dermatophagia typically bite the skin around the nails, leading to bleeding and discoloration over time. Some people also bite on their skin on their finger knuckles which can lead to pain and bleeding just by moving their fingers. Some usually consume the flesh during an episode. Contemporary research suggests a link between impulse control disorders and obsessive--compulsive disorders, and this may be addressed in the DSM-5, published in May 2013. Further information on OCD, other anxiety disorders, and dermatophagia and other impulse-control disorders can be found in the DSM-IV TR.
 Question: is it bad to bite the skin off your fingers Context: Mamma Mia! is based on the songs of ABBA, a Swedish pop/dance group active from 1972 to 1982 and one of the most popular international pop groups of all time, topping the charts again and again in Europe, North and South America and Australia. Following the premiere of the musical in London in 1999, ABBA Gold topped the charts in the United Kingdom again. This musical was the brainchild of producer Judy Craymer. She met songwriters Björn Ulvaeus and Benny Andersson in 1983 when they were working with Tim Rice on Chess. It was the song ``The Winner Takes It All'' that suggested to her the theatrical potential of their pop songs. The songwriters were not enthusiastic, but they were not completely opposed to the idea.
 Question: did abba make the songs for mamma mia Context: Preserving sugar differs from gelling sugar, also called jam sugar, because the latter contains pectin while preserving sugar is 100% sugar.
 Question: is jam sugar the same as preserving sugar
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