You will be given a definition of a task first, then some input of the task.
In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.

passage: The Battle of Thermopylae has remained a cultural icon of western civilization ever since it was fought. The battle is revisited in countless adages and works of popular culture, such as in films (e.g., The 300 Spartans (1962) and 300 (2007), based on the events during and close to the time of the battle), in literature, in song, in television programs, and in video games. The battle is also discussed in many articles and books on the theory and practice of warfare.
 question: was the movie 300 based on real events?
Output:
Yes