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 dialects collectively known as Southern American English stretch across the south-eastern and south-central United States, but exclude the southernmost areas of Florida and the extreme western and south-western parts of Texas as well as the Rio Grande Valley (Laredo to Brownsville). This linguistic region includes Alabama, Georgia, Tennessee, Mississippi, North Carolina, South Carolina, Louisiana, and Arkansas, as well as most of Texas, Virginia, Kentucky, Oklahoma, West Virginia, and northern and central Florida. Southern American English dialects can also be found in extreme southern parts of Missouri, Maryland, Delaware, and Illinois.
 Question: does everyone in the south have an accent Context: The Mortal Instruments is a series of six young adult fantasy novels written by Cassandra Clare, the last of which was published on May 27, 2014. The Mortal Instruments is chronologically the third series of a proposed five in The Shadowhunter Chronicles but it was the first one published. It follows Clary Fray (who interacts with a group of nephilim known as Shadowhunters) while also discovering her own half-angel heritage. The Shadowhunters protect the world of mundane people, who are also called mundanes or ``mundies'', from dark forces from beyond their world.
 Question: is there a book 7 of the mortal instruments Context: Although a pendulum can theoretically be any shape, any rigid object swinging on a pivot, clock pendulums are usually made of a weight or bob attached to the bottom end of a rod, with the top attached to a pivot so it can swing. The advantage of this construction is that it positions the centre of mass close to the physical end of the pendulum, farthest from the pivot. This maximizes the moment of inertia, and minimises the length of pendulum required for a given period. Shorter pendulums allow the clock case to be made smaller, and also minimize the pendulum's air resistance. Since most of the energy loss in clocks is due to air friction of the pendulum, this allows clocks to run longer on a given power source.
 Question: does the weight of a bob effect a pendulum Context: The Channel Tunnel (French: Le tunnel sous la Manche; also nicknamed the Chunnel) is a 50.45-kilometre (31.35 mi) rail tunnel linking Folkestone, Kent, in the United Kingdom, with Coquelles, Pas-de-Calais, near Calais in northern France, beneath the English Channel at the Strait of Dover. At its lowest point, it is 75 m (250 ft) deep below the sea bed and 115 m (380 ft) below sea level. At 37.9 kilometres (23.5 mi), the tunnel has the longest undersea portion of any tunnel in the world, although the Seikan Tunnel in Japan is both longer overall at 53.85 kilometres (33.46 mi) and deeper at 240 metres (790 ft) below sea level. The speed limit for trains in the tunnel is 160 kilometres per hour (99 mph).
 Question: is there a tunnel from england to europe
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Yes