Text: Second-impact syndrome (SIS) occurs when the brain swells rapidly, and catastrophically, after a person suffers a second concussion before symptoms from an earlier one have subsided. This second blow may occur minutes, days or weeks after an initial concussion, and even the mildest grade of concussion can lead to SIS. The condition is often fatal, and almost everyone who is not killed is severely disabled. The cause of SIS is uncertain, but it is thought that the brain's arterioles lose their ability to regulate their diameter, and therefore lose control over cerebral blood flow, causing massive cerebral edema.

Question: is there such a thing as a double concussion?
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Answer: yes

Text: The Oakland Raiders relocation to Las Vegas is a successful effort by the owner of the Oakland Raiders (Mark Davis) to relocate the American football club from its current and longtime home of Oakland, California to Paradise, Nevada. The team is scheduled to begin playing its home games at the Las Vegas Stadium as the Las Vegas Raiders for the 2020 National Football League (NFL) season, although the Raiders could move to and begin playing home games at Sam Boyd Stadium in Paradise, Nevada for the 2019 season. NFL team owners voted 31--1 to approve the move, which was announced at the annual league meetings in Phoenix, Arizona on March 27, 2017. The Raiders became the third NFL franchise to relocate in the 2010s, following the Rams' move from St. Louis, Missouri to Los Angeles, California on January 12, 2016, and the Chargers' move from San Diego, California to Los Angeles on January 12, 2017. The Raiders' move to Las Vegas comes after years of failed efforts to renovate or replace the Oakland--Alameda County Coliseum, which has been rated by multiple sources as one of the worst stadiums in the NFL.

Question: is there an nfl team moving to las vegas?
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Answer: yes

Text: In the United States House of Representatives, the District is represented by a delegate, who is not allowed to vote on the House floor but can vote on procedural matters and in congressional committees. D.C. residents have no representation in the United States Senate. The Twenty-third Amendment to the United States Constitution, adopted in 1961, entitles the District to the same number of electoral votes as that of the least populous state in the election of the President and Vice President of the United States.

Question: can citizens in washington dc vote for president?
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Answer: yes

Text: While designing the setting, the team used elements from multiple locations, including New York City, San Francisco and London. As the game was being developed for a Nintendo console, the team included multiple Nintendo-themed Easter eggs for players to find. The team had to create a new game engine as previous ones were not able to cope with the scale of the environments. They also wanted the main character, Chase McCain, to have depth as they knew both children and adults would play the game. Undercover features full voice acting, which at the time development started was a first for the series, although due to development time, others featuring voice acting were developed and released ahead of it. For the voice casting, the team used voice casting and recording company Side UK. A large voice casting session was held, and several established comedians were specifically asked to come in as the team wanted good delivery for the funny sections of the script. By the time the script writer, former stand-up comedian Graham Goring, was brought on board, a rough outline of the story had been created. His main role was to fill in the gaps and put in as much humor as possible. Goring was given a lot of freedom when it came to the parodies, although the team were regularly consulted on the suitability of the material and a script editor was assigned to check his work. Drawing on his former profession, Goring included a large amount of one-liners and humor intended for both children and adults. Following the template of The Simpsons, the game contains a high number of family-friendly parodies, referencing movies such as The Shawshank Redemption and The Matrix, and TV series such as Starsky & Hutch. The game's story took a while to write, as the team wanted to give it depth.

Question: is lego city undercover based on san francisco?
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Answer:
no