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: Mehran Karimi Nasseri (Persian: مهران کریمی ناصری pronounced (mehˈrɒn kjæriˈmi nɒseˈri); born 1942), also known as Sir, Alfred Mehran, is an Iranian refugee who lived in the departure lounge of Terminal One in Charles de Gaulle Airport from 26 August 1988 until July 2006, when he was hospitalized for an unspecified ailment. His autobiography has been published as a book, The Terminal Man, in 2004. His story was the inspiration for the 2004 Steven Spielberg film The Terminal.
 Question: was the movie the terminal based on a true story Context: Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na) through a cell's plasma membrane. They are classified according to the trigger that opens the channel for such ions, i.e. either a voltage-change (``Voltage-gated'', ``voltage-sensitive'', or ``voltage-dependent'' sodium channel also called ``VGSCs'' or ``Nav channel'') or a binding of a substance (a ligand) to the channel (ligand-gated sodium channels).
 Question: are voltage-gated sodium channels always open Context: In chemistry, a lone pair refers to a pair of valence electrons that are not shared with another atom and is sometimes called a non-bonding pair. Lone pairs are found in the outermost electron shell of atoms. They can be identified by using a Lewis structure. Electron pairs are therefore considered lone pairs if two electrons are paired but are not used in chemical bonding. Thus, the number of lone pair electrons plus the number of bonding electrons equals the total number of valence electrons around an atom.
 Question: does one electron count as a lone pair Context: The United States men's national soccer team has played in several World Cup finals, with their best result occurring during their first appearance at the 1930 World Cup, when the United States finished in third place. After the 1950 World Cup, in which the United States upset England in group play 1--0, the U.S. was absent from the finals until 1990. The United States has participated in every World Cup since 1990 until they failed to qualify for the 2018 competition after a loss to Trinidad and Tobago in 2017.
 Question: has the us ever gone to the world cup Context: In meteorology, the term vapor pressure is used to mean the partial pressure of water vapor in the atmosphere, even if it is not in equilibrium, and the equilibrium vapor pressure is specified otherwise. Meteorologists also use the term saturation vapor pressure to refer to the equilibrium vapor pressure of water or brine above a flat surface, to distinguish it from equilibrium vapor pressure, which takes into account the shape and size of water droplets and particulates in the atmosphere.
 Question: is saturation pressure the same as vapor pressure Context: The Infernal Devices is a series of novels by author Cassandra Clare, centering on a race called the Shadowhunters introduced in her The Mortal Instruments series. The series is a prequel series to the Mortal Instruments series, and contains some of the character's ancestors. Clare has insisted that the two series can be read in either order.
 Question: are the mortal instruments and infernal devices connected
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