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 eighth and final season of the fantasy drama television series Game of Thrones was announced by HBO in July 2016. Unlike the first six seasons that each had ten episodes and the seventh that had seven episodes, the eighth season will have only six episodes. Like the previous season, it will largely consist of original content not found currently in George R.R. Martin's A Song of Ice and Fire series, and will instead adapt material Martin has revealed to showrunners about the upcoming novels in the series, The Winds of Winter and A Dream of Spring.
 Question: is season 8 the last of game of thrones Context: In mathematics, a set A is a subset of a set B, or equivalently B is a superset of A, if A is ``contained'' inside B, that is, all elements of A are also elements of B. A and B may coincide. The relationship of one set being a subset of another is called inclusion or sometimes containment. A is a subset of B may also be expressed as B includes A; or A is included in B.
 Question: can a set be an element of another set Context: Hair color is the pigmentation of hair follicles due to two types of melanin: eumelanin and pheomelanin. Generally, if more eumelanin is present, the color of the hair is darker; if less eumelanin is present, the hair is lighter. Levels of melanin can vary over time causing a person's hair color to change, and it is possible to have hair follicles of more than one color on the same person. Particular hair colors are associated with ethnic groups. Gray or white hair is associated with age.
 Question: is it possible for hair to change color Context: On July 24, 2014, D.C.'s ban on open and concealed carry was struck down as unconstitutional in Palmer v. District of Columbia. Initially Judge Frederick Scullin, Jr. did not issue a stay of his ruling. For a brief period of time, Judge Scullin's ruling effectively legalized permitless open and concealed carry with a valid firearm registration card, and non-residents without felony convictions could carry openly or concealed in the District. But on July 29, 2014 Scullin issued an order that retroactively stayed the ruling until October 22, 2014. In response to the ruling, a Restrictive May-Issue concealed carry licensing law was enacted in September 2014. Under the new law, an applicant must show ``good reason,'' to qualify for a concealed carry permit. However, on May 18, 2015, the ``good reason'' requirement was ruled as likely unconstitutional and a preliminary injunction was issued against D.C. from enforcing that requirement in Wrenn v. District of Columbia. This effectively required the District to grant licenses on a Shall-Issue basis to qualified applicants who have passed a criminal background check and completed the required firearms safety training. Judge Scullin did not issue a stay of his ruling, but the Appeals Court did so on June 12, 2015, effectively leaving the restrictive ``good reason'' requirement in place while litigation continues. It was later ruled that Judge Scullin, a visiting judge from New York, was outside his jurisdiction because he was only appointed to decide the Palmer case, not the follow-up Wrenn case. The Wrenn case was subsequently reassigned to a new judge who denied the request for a preliminary injunction.
 Question: can you carry a concealed weapon in dc
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