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: In 2008, Conrad began dating actor Kyle Howard. Howard expressed concern that appearing on reality television would interfere with his acting career; consequently, their relationship was not documented on The Hills. (After three years together, Conrad and Howard ended their relationship in 2011.) Upon the conclusion of the fourth season of the series that December, Conrad wished to leave the series to pursue other career opportunities. However, per the producers' requests, she filmed ten episodes for the following season, in which she closed her storylines. Conrad made her final appearance on the series in May 2009, attending Montag and Pratt's wedding after much deliberation during the mid-season finale of the fifth season. However, in the July 2009 issue of Cosmopolitan, she stated that producers had pressured her into a reconciliation with Montag throughout the season, adding that she was displeased when they would not allow otherwise. Conrad was replaced by former Laguna Beach castmate Kristin Cavallari until the series' conclusion in July 2010.
 Question: is lauren conrad in season 5 of the hills Context: The return address is not required on postal mail. However, lack of a return address prevents the postal service from being able to return the item if it proves undeliverable; such as from damage, postage due, or invalid destination. Such mail may otherwise become dead letter mail.
 Question: is it possible to send a letter without return address Context: In 2010 Richard Branson, chairman of the Virgin Group, announced his intention to form a fourth alliance among Virgin branded airlines (Virgin Atlantic; Virgin America; and the Virgin Australia Holdings group of airlines). Then in September 2011, Branson said that Virgin Atlantic would join one of the existing alliances; this idea was repeated in October 2012. In December 2012, Delta Air Lines purchased Singapore Airlines' 49% stake in Virgin Atlantic for £224 million. Virgin America was absorbed into Alaska Airlines, which is not a member of any alliance, in April 2018.
 Question: is virgin atlantic part of an airline alliance Context: A number of Ford Model T automobiles sitting on the bottom of the lake are the result of people in the early 1900s choosing to drive in winter across the frozen lake. But they did not always judge how thick the ice was, and went through. Steamboats on the bottom resulted from being burned and sunk as wrecks when they were no longer of use to ferry people around the lake. Since the late 20th century, divers frequently visit these ruins on the bottom as part of their recreation.
 Question: does lake coeur d'alene freeze in the winter Context: Tipping Point is a British television game show which began airing on ITV on 2 July 2012, and is presented by Ben Shephard. Four contestants answer general knowledge questions to win counters which they use on a large coin pusher arcade-style machine. Only the winner at the end has a chance to take home any money; the others leave with nothing except any non-cash prizes they may have won during the game.
 Question: do the losers keep the money on tipping point
Yes
Yes
Yes
No
Yes
No