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: In season four, Laurel resurrects Sara using the League's mystical Lazarus Pit. The process is successful, but Sara is brought back to life without a soul, making her feral and dangerous. Oliver calls his old friend John Constantine to assist them in restoring Sara's soul. Days later, Sara aids in rescuing Ray Palmer/The Atom from the hands of Damien Darhk, before leaving town to find herself, eventually joining the Legends along with Ray. During her time away with the Legends, Laurel is killed by Darhk and she is later made aware of it by Quentin when she briefly returns to present-day Star City at the end of season one of Legends of Tomorrow, where she and Quentin mourn her together.
 Question: when does sara come back from the dead Context: Corolla /kəˈrɑːlə/ is an unincorporated community located in Poplar Branch township, Currituck County, North Carolina along the northern Outer Banks. It has a permanent population of approximately 500 people; during the summer vacation season, the population surges into the thousands. Corolla is home to the Currituck Beach Lighthouse, one of the seven North Carolina coastal lighthouses.
 Question: is corolla nc part of the outer banks Context: Copper sulfate is commonly included in children's chemistry sets. It is often used to grow crystals in schools and in copper plating experiments, despite its toxicity. Copper sulfate is often used to demonstrate an exothermic reaction, in which steel wool or magnesium ribbon is placed in an aqueous solution of CuSO. It is used to demonstrate the principle of mineral hydration. The pentahydrate form, which is blue, is heated, turning the copper sulfate into the anhydrous form which is white, while the water that was present in the pentahydrate form evaporates. When water is then added to the anhydrous compound, it turns back into the pentahydrate form, regaining its blue color, and is known as blue vitriol. Copper(II) sulfate pentahydrate can easily be produced by crystallization from solution as copper(II) sulfate is quite hygroscopic.
 Question: does copper sulphate dissolved in water to form a blue solution Context: MetroPCS (stylized as metroPCS) is a prepaid wireless service in the United States that is part of T-Mobile US, Inc... MetroPCS provides nationwide talk, text, and data depending on the plan services using GSM, HSPA, HSPA+ and 4G LTE networks. MetroPCS previously operated the fifth largest mobile telecommunications network in the United States using code division multiple access technology. The legacy MetroPCS CDMA network was decommissioned on June 21, 2015. Its legacy 4G network using LTE will be integrated with T-Mobile US's own 4G LTE network.
 Question: is metro and t mobile the same company Context: In 1952, upon U.S. Congress approving the Constitution of the Commonwealth of Puerto Rico, also reaffirmed that Puerto Rican citizenship continued in full force. This was further reaffirmed in 2006 while the U.S. Senate probed into the President's Task Force on Puerto Rico's status. In 1953, U.S Ambassador Henry Cabot Lodge Jr., in a memorandum sent to the United Nations, recognized that ``the people of Puerto Rico continue to be citizens of the United States as well as of Puerto Rico.''
 Question: if you are born in puerto rico are you an american citizen
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