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 lower respiratory tract or lower airway is derived from the developing foregut and consists of the trachea, bronchi (primary, secondary and tertiary), bronchioles (including terminal and respiratory), and lungs (including alveoli). It also sometimes includes the larynx.
 Question: is the trachea part of the lower respiratory system Context: General speed limits in Germany are set by the federal government. All limits are multiples of 5 km/h. There are two default speed limits: 50 km/h (31 mph) inside built-up areas and 100 km/h (62 mph) outside built-up areas. While parts of the autobahns and many other freeway-style highways have posted limits up to 130 km/h (81 mph) based on accident experience, congestion and other factors, many rural sections have no general speed limit. The German Highway Code (Straßenverkehrsordnung) section on speed begins with the requirement which may be rendered in English:
 Question: is there a speed limit on german motorways Context: Situated on the continent of Antarctica, it is the site of the United States Amundsen--Scott South Pole Station, which was established in 1956 and has been permanently staffed since that year. The Geographic South Pole is distinct from the South Magnetic Pole, the position of which is defined based on the Earth's magnetic field. The South Pole is at the center of the Southern Hemisphere.
 Question: is antarctica and the south pole the same thing Context: Game of Thrones is an episodic graphic adventure video game based on the TV series of the same name, which in turn, is based on George R.R. Martin's A Song of Ice and Fire fantasy series, released in December 2014 for Android, iOS, Microsoft Windows, OS X, PlayStation 3, PlayStation 4, Xbox 360 and Xbox One.
 Question: is there going to be a game of thrones game Context: In J.R.R. Tolkien's fictional universe of Middle-earth, the Half-elven (Sindarin singular Peredhel, plural Peredhil, Quenya singular Perelda) are the children of the union of Elves and Men. Of these, the most significant were the products of couplings between the Eldar (the Elves who followed the Call to Valinor) and the Edain (the Men of the Three Houses of early Men who allied themselves with the Eldar in their war against Morgoth).
 Question: can elves and humans mate lord of the rings Context: The opposite of convergence is divergent evolution, where related species evolve different traits. Convergent evolution is similar to but different from parallel evolution. Parallel evolution occurs when two independent but similar species evolve in the same direction and thus independently acquire similar characteristics; for instance, gliding frogs have evolved in parallel from multiple types of tree frog.
 Question: is parallel evolution the same as convergent evolution Context: The M6 Toll is the only major toll road in Great Britain, and has two payment plazas, Great Wyrley Toll Plaza for northbound and Weeford Toll Plaza for southbound. The northbound toll plaza is situated between junctions T6 and T7, and the southbound between junctions T4 and T3. The weekday cash cost is £5.90 for a car and £11.00 for a Heavy Goods Vehicle.
 Question: do you pay both ways on m6 toll
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