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: The set of integers, with the operation of addition, forms a group. It is an infinite cyclic group, because all integers can be written as a finite sum or difference of copies of the number 1. In this group, 1 and −1 are the only generators. Every infinite cyclic group is isomorphic to this group.
 Question: can a cyclic group have more than one generator Context: Associativity is not the same as commutativity, which addresses whether or not the order of two operands changes the result. For example, the order does not matter in the multiplication of real numbers, that is, a × b = b × a, so we say that the multiplication of real numbers is a commutative operation.
 Question: does the associative property allow you to change the order in which you complete two operations Context: A major exception is when a team is shorthanded. A team trying to eliminate a penalty (commonly known as a ``penalty kill'') may legally ``ice the puck''. A team on a power play, however, must still follow the icing rules.
 Question: can you ice the puck on a penalty kill Context: The NFC East is a division of the National Football League (NFL)'s National Football Conference (NFC). It currently has four members: the Philadelphia Eagles, the New York Giants, the Dallas Cowboys, and the Washington Redskins.
 Question: are the eagles and cowboys in the same division Context: During the early 2000s, a number of airlines joined Star Alliance; the Austrian Airlines Group (Austrian Airlines, Tyrolean Airways and Lauda Air) joined on 26 March 2000 and Singapore Airlines on 1 April. BMI (British Midland) and Mexicana Airlines joined on 1 July, bringing the alliance's membership to 13. The addition of BMI made London Heathrow the only European hub with two alliances. During the year, Emirates considered joining Star Alliance, but decided against it. That year the now-defunct BWIA West Indies Airways, which had entered an alliance with United Airlines, considered becoming a member but did not. In 2000, the alliance also opened its first three business centers (in Los Angeles, Frankfurt, and Bangkok) and announced the formation of an Alliance Management Team (AMT), the partnership's executive body. In September 2001, Ansett Australia (the alliance's only Australian member) left Star Alliance due to bankruptcy, giving most of the Australian market to Qantas (a Oneworld member). That year, Star Alliance announced the appointment of a new CEO, Jaan Albrecht.
 Question: is emirates airlines part of the star alliance Context: Arkansas has won 44 NCAA team national championships.
 Question: has the university of arkansas ever won a national championship Context: In the ``law'' of diminishing marginal returns, the marginal product initially increases when more of an input (say labor) is employed, keeping the other input (say capital) constant. Here, labor is the variable input and capital is the fixed input (in a hypothetical two-inputs model). As more and more of variable input (labor) is employed, marginal product starts to fall. Finally, after a certain point, the marginal product becomes negative, implying that the additional unit of labor has decreased the output, rather than increasing it. The reason behind this is the diminishing marginal productivity of labor.
 Question: can the marginal product of capital be negative
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