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 Open is a 72-hole stroke play tournament contested over four days, Thursday through Sunday. Since 1979 it has been played in the week which includes the 3rd Friday in July. Currently, 156 players are in the field, mostly made up of the world's leading professionals, who are given exemptions, along with winners of the top amateur championships. Further places are given to players, amateurs and professionals, who are successful in a number of qualifying events. There is a cut after 36 holes after which only the leading 70 players (and ties) play in the final 36 holes on the weekend. In the event of a tie after 72 holes, a four-hole aggregate playoff is held; if two or more players are still tied, it continues as sudden-death until there is a winner.
 Question: is there a playoff in the british open Context: The New Zealand dollar (sign: $; code: NZD, also abbreviated NZ$) (Māori: Tāra o Aotearoa) is the official currency and legal tender of New Zealand, the Cook Islands, Niue, the Ross Dependency, Tokelau, and a British territory, the Pitcairn Islands. Within New Zealand, it is almost always abbreviated with the dollar sign ($), with ``NZ$'' sometimes used to distinguish it from other dollar-denominated currencies. In the context of currency trading, it is often informally called the ``Kiwi'' or ``Kiwi dollar'', since New Zealand is commonly associated with the indigenous bird and the one-dollar coin depicts a kiwi.
 Question: is new zealand money the same as american money Context: A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. It is also a valve used in air brake systems on heavy trucks.
 Question: is a double check valve the same as a backflow preventer Context: The cake has a firm yet light texture. It is eaten with tea or (occasionally) for breakfast and is traditionally flavoured with lemon. Dating back to an original recipe in the 18th or 19th century, Madeira cake is similar to a pound cake or yellow cake. One of the earliest published recipes was by Eliza Acton in her Modern Cookery for Private Families (1845):
 Question: is pound cake the same as madeira cake
Yes
No
No
No
No