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: Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is filtered through Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon. When the direct solar radiation is not blocked by clouds, it is experienced as sunshine, a combination of bright light and radiant heat. When it is blocked by clouds or reflects off other objects, it is experienced as diffused light. The World Meteorological Organization uses the term ``sunshine duration'' to mean the cumulative time during which an area receives direct irradiance from the Sun of at least 120 watts per square meter. Other sources indicate an ``Average over the entire earth'' of ``164 Watts per square meter over a 24 hour day''.
 Question: is sunlight the same thing as visible light Context: Like most deep veins in legs, anterior tibial veins are accompanied by the homonym artery, the anterior tibial artery, along its course.
 Question: is the anterior tibial vein a deep vein Context: In 2000, the United States Congress designated the Erie Canalway National Heritage Corridor to recognize the national significance of the canal system as the most successful and influential human-built waterway and one of the most important works of civil engineering and construction in North America. The canal has been mainly used by recreational watercraft since the retirement of the last large commercial ship, Day Peckinpaugh, in 1994. The canal saw a recovery in commercial traffic in 2008.
 Question: is the erie canal still used for moving goods Context: The Sole Survivor receives a cash prize of $1,000,000 prior to taxes and sometimes also receives a car provided by the show's sponsor. Every player receives a prize for participating on Survivor depending on how long he or she lasts in the game. In most seasons, the runner-up receives $100,000, and third place wins $85,000. All other players receive money on a sliding scale, though specific amounts have rarely been made public. Sonja Christopher, the first player voted off of Survivor: Borneo, received $2,500. In Survivor: Fiji, the first season with tied runners-up, the two runners-up received US$100,000 each, and Yau-Man Chan received US$60,000 for his fourth-place finish. All players also receive an additional $10,000 for their appearance on the reunion show.
 Question: is there a second place prize for survivor Context: The saguaro (/səˈwɑːroʊ/, Spanish pronunciation: (saˈɣwaɾo)) (Carnegiea gigantea) is an arborescent (tree-like) cactus species in the monotypic genus Carnegiea, which can grow to be over 40 feet (12 m) tall. It is native to the Sonoran Desert in Arizona, the Mexican State of Sonora, and the Whipple Mountains and Imperial County areas of California. The saguaro blossom is the state wildflower of Arizona. Its scientific name is given in honor of Andrew Carnegie. In 1994, Saguaro National Park, near Tucson, Arizona, was designated to help protect this species and its habitat.
 Question: is arizona the only state with saguaro cactus
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