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: DNA polymerases are a family of enzymes that carry out all forms of DNA replication. DNA polymerases in general cannot initiate synthesis of new strands, but can only extend an existing DNA or RNA strand paired with a template strand. To begin synthesis, a short fragment of RNA, called a primer, must be created and paired with the template DNA strand.
 Question: can a dna polymerase initiate new strands of nucleic acid synthesis independently Context: Deep ocean water (DOW) is the name for cold, salty water found deep below the surface of Earth's oceans. Ocean water differs in temperature and salinity. Warm surface water is generally saltier than the cooler deep or polar waters; in polar regions, the upper layers of ocean water are cold and fresh. Deep ocean water makes up about 90% of the volume of the oceans. Deep ocean water has a very uniform temperature, around 0-3 °C, and a salinity of about 3.5% or as oceanographers state as 35 ppt (parts per thousand).
 Question: is the bottom of the ocean saltier than the top Context: Antigua and Barbuda (/ænˈtiːɡə ənd bɑːrˈbjuːdə/ ( listen); an-TEE-gǝ ǝnd bar-BEW-dǝ) is a sovereign state in the Americas, lying between the Caribbean Sea and the Atlantic Ocean. It consists of two major islands, Antigua and Barbuda, and a number of smaller islands (including Great Bird, Green, Guiana, Long, Maiden and York Islands and further south, the island of Redonda). The permanent population numbers about 81,800 (at the 2011 Census) and the capital and largest port and city is St. John's, on Antigua.
 Question: is barbuda part of the us virgin islands Context: The Boy in the Striped Pyjamas (released as The Boy in the Striped Pajamas in the United States) is a 2008 drama film set in World War II, based on the novel of the same name by John Boyne. Directed by Mark Herman, produced by BBC Films and Heyday Films, and distributed by Miramax and Walt Disney Studios Motion Pictures, the film stars Vera Farmiga, David Thewlis, Asa Butterfield, and Jack Scanlon. It was released on 12 September 2008 in the United Kingdom.
 Question: is the boy in the striped pajamas a movie Context: ``My Country, 'Tis of Thee'', also known as ``America'', is an American patriotic song, whose lyrics were written by Samuel Francis Smith. The melody used is the same as that of the national anthem of the United Kingdom, ``God Save the Queen'', arranged by Thomas Arne. The song served as one of the de facto national anthems of the United States (along with songs like ``Hail, Columbia'') before the adoption of ``The Star-Spangled Banner'' as the official U.S. national anthem in 1931.
 Question: god save the queen same tune as my country tis of thee
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