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 New York City Subway is a rapid transit system owned by the City of New York and leased to the New York City Transit Authority, a subsidiary agency of the state-run Metropolitan Transportation Authority (MTA). Opened in 1904, the New York City Subway is one of the world's oldest public transit systems, one of the world's most used metro systems, and the metro system with the most stations. It offers service 24 hours per day on every day of the year.
 Question: does the new york subway run 24 hours Context: The Howard Beach route begins and ends at Howard Beach--JFK Airport, with a direct transfer to the New York City Subway's IND Rockaway Line (A train). It also stops at Lefferts Boulevard for transfers to shuttle bus service to long term parking lots A and B and to the airport employee parking lot, as well as to the B15 bus to Brooklyn. The line segment from Howard Beach to Federal Circle, which crosses the employee and long-term parking lots, is about 1.8 miles (2.9 km) long.
 Question: does the a train go to howard beach Context: Only Bobby Jones has ever completed a Grand Slam. No man has ever achieved a modern era Grand Slam. Tiger Woods won all four events major events consecutively within a 365-day period, but his victories were spread over two calendar years.
 Question: has any golfer won all 4 majors in 1 year Context: Pamela Morgan Halpert (née Beesly) is a fictional character on the U.S. television sitcom The Office, played by Jenna Fischer. Her counterpart in the original UK series of The Office is Dawn Tinsley. Her character is initially the receptionist at the paper distribution company Dunder Mifflin, before becoming a saleswoman and eventually office administrator until she left in the series finale. Her character is shy, growing assertive but amiable, and artistically inclined, and shares romantic interest with Jim Halpert, whom she begins dating in the fourth season and marries and starts a family with as the series continues.
 Question: do jim and pam ever get together on the office 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: Red velvet cake is traditionally a red, red-brown, mahogany, maroon, crimson or scarlet colored chocolate layer cake, layered with white cream cheese or ermine icing. The cake is commonly served on Christmas or Valentine's Day. Common modern red velvet cake is made with red dye; the red color was originally due to non-Dutched, anthocyanin-rich cocoa.
 Question: is there chocolate in red velvet cake mix
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