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: Calor Gas is a brand of bottled butane and propane which is available in Britain and Ireland. It comes in cylinders, which have a special gas regulator.
 Question: is butane gas the same as calor gas Context: Another form of virginity testing involves testing for laxity of vaginal muscles with fingers (the ``two-finger test''). A doctor performs the test by inserting a finger into the female's vagina to check the level of vaginal laxity, which is used to determine if she is ``habituated to sexual intercourse''. However, the usefulness of these criteria has been questioned by medical authorities and opponents of virginity testing because vaginal laxity and the absence of a hymen can both be caused by other factors, and the ``two-finger test'' is based on subjective observation. In virginity tests, the presence of a hymen is often used to determine if a woman is a virgin.
 Question: can you get tested to see if your a virgin Context: The main result was the Treaty of Versailles with Germany, which in section 231 laid the guilt for the war on ``the aggression of Germany and her allies''. This provision proved humiliating for Germany and set the stage for the expensive reparations Germany was intended to pay (it paid only a small portion before reparations ended in 1931). The five major powers (France, Britain, Italy, Japan and the United States) controlled the Conference. And the ``Big Four'' were the Prime Minister of France, Georges Clemenceau; the Prime Minister of the United Kingdom, David Lloyd George; the President of the United States, Woodrow Wilson; and the Prime Minister of Italy, Vittorio Emanuele Orlando. They met together informally 145 times and made all the major decisions, which in turn were ratified by the others. The conference began on January 18, 1919, and with respect to its end date Professor Michael Neiberg has noted:
 Question: was the treaty of versailles made at the paris peace conference Context: In chemistry, a lone pair refers to a pair of valence electrons that are not shared with another atom and is sometimes called a non-bonding pair. Lone pairs are found in the outermost electron shell of atoms. They can be identified by using a Lewis structure. Electron pairs are therefore considered lone pairs if two electrons are paired but are not used in chemical bonding. Thus, the number of lone pair electrons plus the number of bonding electrons equals the total number of valence electrons around an atom.
 Question: does one electron count as a lone pair Context: The Wizard of Oz is a 1939 American musical fantasy film produced by Metro-Goldwyn-Mayer. Widely considered to be one of the greatest films in cinema history, it is the best-known and most commercially successful adaptation of L. Frank Baum's 1900 children's book, The Wonderful Wizard of Oz. It was directed primarily by Victor Fleming (who left production to take over direction on the troubled Gone with the Wind production). It stars Judy Garland as Dorothy Gale, alongside Ray Bolger, Jack Haley, Bert Lahr, Frank Morgan, Billie Burke and Margaret Hamilton, with Charley Grapewin, Pat Walshe and Clara Blandick, Terry (billed as Toto), and Singer's Midgets as the Munchkins.
 Question: was the wizard of oz made by disney
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