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: Professional golf in the U.S. is mainly run by the PGA Tour, the LPGA, and the PGA of America. However, the USGA is at the heart of amateur golf in the country and organizes the 10 national amateur championships. The leading events are open to all age groups, but are usually won by golfers in their early twenties who are working towards a career in professional tournament golf:
 Question: is the usga the same as the pga Context: An acute triangle is a triangle with all three angles acute (less than 90°). An obtuse triangle is one with one obtuse angle (greater than 90°) and two acute angles. Since a triangle's angles must sum to 180°, no triangle can have more than one obtuse angle.
 Question: a triangle with one obtuse angle must have two acute angles Context: The Deutsche Post AG, operating under the trade name Deutsche Post DHL Group, is a German postal service and international courier service company, the world's largest. With its headquarters in Bonn, the corporation has 510,000 employees. The postal division delivers 61 million letters each day in Germany, making it Europe's largest such company. The Express division (DHL) claims to be present in over 220 countries and territories.
 Question: is dhl and deutsche post the same company Context: Designed by Populous and Foster and Partners, the stadium is crowned by a 134-metre-high (440 ft) Wembley Arch which serves aesthetically as a landmark across London and structurally with the arch supporting over 75% of the entire roof load. The stadium was built by Australian firm Multiplex at a cost of £798 million (£1.09 billion today). Contrary to popular belief, Wembley Stadium does not have a retractable roof which covers the playing surface. Two partially retractable roof structures over the east and west end of the stadium can be opened to allow sunlight and aid pitch growth.
 Question: can they close the roof at wembley stadium Context: The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized. With the exception of groups 3--12 (the transition metals), the units digit of the group number identifies how many valence electrons are associated with a neutral atom of an element listed under that particular column.
 Question: the number of valence electrons in an atom of an element is equal to the group number Context: Water intoxication, also known as water poisoning, hyperhydration, or water toxemia is a potentially fatal disturbance in brain functions that results when the normal balance of electrolytes in the body is pushed outside safe limits by overhydration (excessive water intake).
 Question: can you get poisoned by drinking too much water
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