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: Season 4 premiered on October 16, 2017, with the two-part episode ``Heroes of Mandalore'', and continued to air until November 13, 2017. The series picked up on February 19, 2018, after a winter break. Disney XD then proceeded to release two episodes a week until March 5, 2018, when the final two episodes of the series aired.
 Question: is star wars rebels season 4 the last season Context: Greenland (Greenlandic: Kalaallit Nunaat, pronounced (kalaːɬit nunaːt); Danish: Grønland, pronounced (ˈɡʁɶnˌlanˀ)) is an autonomous constituent country within the Kingdom of Denmark between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe (specifically Norway and Denmark, the colonial powers, as well as the nearby island of Iceland) for more than a millennium. The majority of its residents are Inuit, whose ancestors began migrating from the Canadian mainland in the 13th century, gradually settling across the island.
 Question: is greenland on the continent of north america Context: Allium is a genus of monocotyledonous flowering plants that includes hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives. The generic name Allium is the Latin word for garlic, and the type species for the genus is Allium sativum which means ``cultivated garlic''.
 Question: are garlic and onion in the same family Context: There are three types of viral infections that can be considered under the topic of viral transformation. These are cytocidal, persistent, and transforming infections. Cytocidal infections can cause fusion of adjacent cells, disruption of transport pathways including ions and other cell signals, disruption of DNA, RNA and protein synthesis, and nearly always leads to cell death. Persistent infections involve viral material that lays dormant within a cell until activated by some stimulus. This type of infection usually causes few obvious changes within the cell but can lead to long chronic diseases. Transforming infections are also referred to as malignant transformation. This infection causes a host cell to become malignant and can be either cytocidal (usually in the case of RNA viruses) or persistent (usually in the case of DNA viruses). Cells with transforming infections undergo immortalization and inherit the genetic material to produce tumors. Since the term cytocidal, or cytolytic, refers to cell death, these three infections are not mutually exclusive. Many transforming infections by DNA tumor viruses are also cytocidal.
 Question: can some viruses change normal cells to tumor cells Context: Mixed twins are fraternal twins born to multiracial families which differ in skin color and other traits considered to be racial features.
 Question: is it possible to have twins with different skin colors Context: Despite the rules that govern the genetic code and the various mechanisms present in a cell to ensure the correct transfer of genetic information during the process of DNA replication as well as during translation, mutations do occur; frameshift mutation is not the only type. There are at least two other types of recognized point mutations, specifically missense mutation and nonsense mutation. A frameshift mutation can drastically change the coding capacity (genetic information) of the message. Small insertions or deletions (those less than 20 base pairs) make up 24% of mutations that manifest in currently recognized genetic disease.
 Question: can a point mutation be a frameshift mutation
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