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: Given that Earth's own axis of rotation is tilted about 23.5° to the line perpendicular to its orbital plane, called the ecliptic, the length of daytime varies with the seasons on the planet's surface, depending on the observer's latitude. Areas tilted toward the Sun are experiencing summer. Their tilt toward the Sun leads to more than half of the day seeing daylight and warmer temperatures, due to the higher directness of solar rays, the longer period of daytime itself, and less absorption of sunlight in the atmosphere. While increased daylight can have some effect on the higher temperatures in the summer, most of temperature rise results from the directness of the Sun, not the increased daylight. The high angles (around the zenith) of the Sun causes the tropics to be warm, while low angles (barely above the horizon) causes the polar regions to be cold. The slight effect of daylight hours on average seasonal temperature can be seen with the poles and tropical regions. The poles are still cold during their respective summers, despite seeing 24 hours of daylight for six months, while the Equator remains warm throughout the year, with only 12 hours of daylight per day.
 Question: in the northern hemisphere the day is always shorter at higher latitudes than at lower latitudes Context: Dust are fine particles of matter. It generally consists of particles in the atmosphere that come from various sources such as soil, dust lifted by weather (an aeolian process), volcanic eruptions, and pollution. Dust in homes, offices, and other human environments contains small amounts of plant pollen, human and animal hairs, textile fibers, paper fibers, minerals from outdoor soil, human skin cells, burnt meteorite particles, and many other materials which may be found in the local environment.
 Question: is a dust particle an example of matter Context: Red velvet cake is traditionally a red, red-brown, mahogany, maroon, crimson or scarlet colored chocolate layer cake, layered with white cream cheese or ermine icing. The cake is commonly served on Christmas or Valentine's Day. Common modern red velvet cake is made with red dye; the red color was originally due to non-Dutched, anthocyanin-rich cocoa.
 Question: is red velvet and chocolate the same thing Context: It was designed by Ralph Modjeski and Frank Masters with architectural details handled by Paul Philippe Cret of Philadelphia, and construction began in June 1928 by the American Bridge Company of Pittsburgh at a cost of $4.7 million. President Herbert Hoover dedicated the bridge. It was opened to the public on October 31, 1929 as the Louisville Municipal Bridge and operated as a toll bridge. The toll was 35 cents until December 31, 1936, when it became a quarter. The last of the bonds that financed the construction were redeemed in 1946, and the tolls were removed.
 Question: is the clark memorial bridge a toll bridge
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