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: Rice flour (also rice powder) is a form of flour made from finely milled rice. It is distinct from rice starch, which is usually produced by steeping rice in lye. Rice flour is a particularly good substitute for wheat flour, which irritates the digestive system of some people. Rice flour is also used as a thickening agent in recipes that are refrigerated or frozen since it inhibits liquid separation.
 Question: is rice powder and rice flour the same Context: A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.
 Question: is check valve and non return valve same Context: A citizen's arrest is an arrest made by a person who is not acting as a sworn law-enforcement official. In common law jurisdictions, the practice dates back to medieval England and the English common law, in which sheriffs encouraged ordinary citizens to help apprehend law breakers.
 Question: is there a such thing as citizens arrest Context: The 2018 FIFA World Cup qualification UEFA Group B was one of the nine UEFA groups for 2018 FIFA World Cup qualification. The group consisted of six teams: Portugal, Switzerland, Hungary, Faroe Islands, Latvia, and Andorra.
 Question: did switzerland qualify for the world cup 2018 Context: The United States Virgin Islands (USVI; also called the American Virgin Islands), officially the Virgin Islands of the United States, is a group of islands in the Caribbean that is an insular area of the United States located 40 miles (64 km) east of Puerto Rico. The islands are geographically part of the Virgin Islands archipelago and are located in the Leeward Islands of the Lesser Antilles. It is easternmost point (terms in jurisdiction) and territory of the United States.
 Question: are the us virgin islands part of the united states
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