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 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 Context: Numerous objects, both natural and artificial, have gone over the Niagara Falls. These events have been the result of both stunts and accidents, some of which have resulted in fatalities. The first recorded person to survive going over the falls was Annie Edson Taylor, who went over the falls in a barrel in 1901. 72 years previously, however, Sam Patch had jumped from a platform adjacent to Goat Island.
 Question: has anyone survived going over the niagara falls Context: A couple of homologous chromosomes, or homologs, are a set of one maternal and one paternal chromosome that pair up with each other inside a cell during meiosis. Homologs have the same genes in the same loci where they provide points along each chromosome which enable a pair of chromosomes to align correctly with each other before separating during meiosis. This is the basis for Mendelian inheritance which characterizes inheritance patterns of genetic material from an organism to its offspring parent developmental cell at the given time and area.
 Question: do homologous chromosomes carry information for the same traits Context: Tara realizes that A History of Witchcraft is missing from their shelf and after concluding that Dawn took it, she and Willow (who is sheepishly feigning surprise) decide to call Buffy. Buffy hears about Dawn's spell just as she is finishing it upstairs in her room. When Buffy confronts her, the two girls get into a vicious argument about their different ways of dealing with their mother's death. Dawn accuses Buffy of being so busy arranging everything that she doesn't care that their mother is dead, earning herself a slap across the face from her sister. Buffy immediately regrets her action and admits that she's keeping busy so she doesn't have to deal with the situation, because when she stops then her mother is really gone. During their argument, a figure emerges from Joyce's grave and walks toward the house. A shadow passes by the front window followed by a knocking on the door, and Buffy, hoping it's Joyce, rushes to answer the door. Dawn immediately realizes the inherent dangers of the spell and rips up the photo, and when Buffy answers the door all she finds is an empty step. This is too much for Buffy and she starts to cry, finally facing the reality of her mother's death. A sobbing Dawn hugs her, and they collapse to the floor united in grief.
 Question: does buffy's mom come back to life
Yes
Yes
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No