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 One and Only Ivan is an American fantasy film based on the children's novel of the same name and directed by Thea Sharrock. The screenplay was written by Mike White and Sam Rockwell stars as the voice of the titular Ivan.
 Question: is there a one and only ivan movie Context: With a worldwide box-office gross of over $2.7 billion, Avatar is often proclaimed to be the ``highest-grossing'' film, but such claims usually refer to theatrical revenues only and do not take into account home video and television income, which can form a significant portion of a film's earnings. Once revenue from home entertainment is factored in it is not immediately clear which film is the most successful. Titanic earned $1.2 billion from video and DVD sales and rentals, in addition to the $2.2 billion it grossed in theaters. While complete sales data are not available for Avatar, it earned $345 million from the sale of sixteen million DVD and Blu-ray units in North America, and ultimately sold a total of thirty million DVD and Blu-ray units worldwide. After home video income is accounted for, both films have earned over $3 billion. Television broadcast rights will also substantially add to a film's earnings, with a film often earning as much as 20--25% of its theatrical box-office for a couple of television runs on top of pay-per-view revenues; Titanic earned a further $55 million from the NBC and HBO broadcast rights, equating to about 9% of its North American gross.
 Question: has a movie ever made 2 billion dollars Context: Dollar General filed on August 20, 2009 for an initial public offering of up to $750 Million turning the company once again into a publicly traded corporation. In 2013 Dollar General started selling cigarettes in response to its competitor Family Dollar selling cigarettes in 2012. Dollar General's 12th distribution center opened on May 31, 2014 in Bethel, Pennsylvania to serve the northeast and midwest stores. On August 18, 2014, Dollar General lodged a competing bid of $9.7 billion against Dollar Tree for Family Dollar. The bid was rejected on August 20, 2014 by the Family Dollar board, which said it would proceed with the deal with Dollar Tree.
 Question: are family dollar and dollar general the same company Context: Skin immunity is a property of skin that allows it to resist infections from pathogens. In addition to providing a passive physical barrier against infection, the skin also contains elements of the innate and adaptive immune systems which allows it to actively fight infections. Hence the skin provides defense in depth against will infection.
 Question: is the skin part of the immune system Context: Tokyo Skytree (東京スカイツリー, Tōkyō Sukaitsurī) is a broadcasting, restaurant, and observation tower in Sumida, Tokyo, Japan. It became the tallest structure in Japan in 2010 and reached its full height of 634.0 metres (2,080 ft) in March 2011, making it the tallest tower in the world, displacing the Canton Tower, and the second tallest structure in the world after the Burj Khalifa (829.8 m/2,722 ft).
 Question: is tokyo sky tree is the tallest tower in the world
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