premise: Big Time Movie is a television film adaptation based on the Nickelodeon television series, "Big Time Rush" and the songs of The Beatles, which aired March 10, 2012 in the United States. It features the members of Big Time Rush (a.k.a. the TV show and the band members) visiting London for their world tour, where they also have to save the world.
hypothesis: Big Time Rush is made up of Americans.
reason: The nationality of the members of the band is not stated. System may assume they are American because the show on which they appeared aired in America.