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 physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum. It is an important quantity in physics because it is a conserved quantity -- the total angular momentum of a system remains constant unless acted on by an external torque.
 Question: can angular velocity of a system change without external influence Context: Phone hacking, being a form of surveillance, is illegal in many countries unless it is carried out as lawful interception by a government agency. In the News International phone hacking scandal, private investigator Glenn Mulcaire was found to have violated the Regulation of Investigatory Powers Act 2000. He was sentenced to six months in prison in January 2007. Renewed controversy over the phone hacking claims led to the closure of the News of the World in July 2011.
 Question: is it illegal to hack into someones phone Context: In American college, professional, and Canadian football (as well as, for a significant period of time, the Arena Football League, where missed extra points are rebounded back into the field of play), a conversion attempt where the defense gains possession of the ball can be returned by the defense to the other end zone to give the defensive team two points. The team that scored the touchdown then kicks off as normal. This is rare because of the infrequent use of the two-point conversion and the rarity of blocked conversion kicks, combined with the difficulty of returning the ball the full length of the field. It has proven the winning margin in some games. Only once has a player scored two defensive two-point conversions in a game: Tony Holmes of the Texas Longhorns in a 1998 Big 12 Conference game against the Iowa State Cyclones on October 3.
 Question: can you score on a two point conversion interception Context: Saint Patrick's Day, or the Feast of Saint Patrick (Irish: Lá Fhéile Pádraig, ``the Day of the Festival of Patrick''), is a cultural and religious celebration held on 17 March, the traditional death date of Saint Patrick ( c. AD 385--461), the foremost patron saint of Ireland.
 Question: is st. patricks day always on march 17 Context: Sleep deprivation is the second most common trigger of seizures. In some cases, it has been responsible for the only seizure a person ever suffers. However, the reason for which sleep deprivation can trigger a seizure is unknown. One possible thought is that the amount of sleep one gets affects the amount of electrical activity in one's brain.
 Question: can a lack of sleep cause a seizure 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
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