Task: Question Answering
Input (English): passage: In the novel, recounting events from various points of view, Martin introduces the plot-lines of the noble houses of Westeros, the Wall, and the Targaryens. The novel has inspired several spin-off works, including several games. It is also the namesake and basis for the first season of Game of Thrones, an HBO television series that premiered in April 2011. A March 2013 paperback TV tie-in re-edition was also titled Game of Thrones, excluding the indefinite article ``A''.
 question: is game of thrones based on a book?
Output (English): Yes