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: Because genetic determination of coat colors in calico cats is linked to the X chromosome, calicoes are nearly always female, with one color linked to the maternal X chromosome and a second color linked to the paternal X chromosome. Because males only have one X chromosome, a male calico would have to have a rare condition where they have three sex chromosomes (two X chromosomes and one Y chromosome) in order to be calico. In addition to other symptoms caused by the condition, these male calicos are often sterile.
 Question: are there any male calico cats in the world Context: The 2017 feature film Victoria & Abdul, directed by Stephen Frears and starring Ali Fazal as Abdul Karim and Judi Dench as Queen Victoria, offers a fictionalised version of the relationship between Karim and the queen.
 Question: victoria and abdul is it a real story Context: The concept of mourning jewelry, which is colored black, is becoming an accepted, visible custom for widows and widowers. Usually a black wedding band is worn on the third finger of the left hand. Usually the ring is a black wedding band, but black eternity bands and black solitaires are also worn. Such jewelry is denominated a ``widow's ring'' and the mourning ring is added to the marriage ring(s) and worn for the duration of the mourning period.
 Question: is there such a thing as a widow's ring Context: The FIFA World Cup, often simply called the World Cup, is an international association football competition contested by the senior men's national teams of the members of the Fédération Internationale de Football Association (FIFA), the sport's global governing body. The championship has been awarded every four years since the inaugural tournament in 1930, except in 1942 and 1946 when it was not held because of the Second World War. The current champion is France, which won its second title at the 2018 tournament in Russia.
 Question: does the soccer world cup happen every year Context: James Andrew Eric Phelps and Oliver Martyn John Phelps (born 25 February 1986) are identical twin British actors, best known for playing identical twins, Fred and George Weasley in the Harry Potter film series.
 Question: are the twins in harry potter twins in real life Context: Atomic radii vary in a predictable and explicable manner across the periodic table. For instance, the radii generally decrease along each period (row) of the table, from the alkali metals to the noble gases; and increase down each group (column). The radius increases sharply between the noble gas at the end of each period and the alkali metal at the beginning of the next period. These trends of the atomic radii (and of various other chemical and physical properties of the elements) can be explained by the electron shell theory of the atom; they provided important evidence for the development and confirmation of quantum theory. The atomic radii decrease across the Periodic Table because as the atomic number increases, the number of protons increases across the period, but the extra electrons are only added to the same quantum shell. Therefore, the effective nuclear charge towards the outermost electrons increases, drawing the outermost electrons closer. As a result, the electron cloud contracts and the atomic radius decrease.
 Question: is there a relationship between atomic number and atomic radii for elements in a single period
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