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.

Q: passage: The Xbox One gaming console has received updates from Microsoft since its launch in 2013 that enable it to play select games from its two predecessor consoles, Xbox and Xbox 360. On June 15, 2015, backward compatibility with supported Xbox 360 games became available to eligible Xbox Preview program users with a beta update to the Xbox One system software. The dashboard update containing backward compatibility was released publicly on November 12, 2015. On October 24, 2017, another such update added games from the original Xbox library. The following is a list of all backward compatible games on Xbox One under this functionality.
 question: is xbox one reverse compatible with 360 games?

A: Yes
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Q: passage: Ready Player One is a 2011 science fiction novel, and the debut novel of American author Ernest Cline. The story, set in a dystopian 2040s, follows protagonist Wade Watts on his search for an Easter egg in a worldwide virtual reality game, the discovery of which will lead him to inherit the game creator's fortune. Cline sold the rights to publish the novel in June 2010, in a bidding war to the Crown Publishing Group (a division of Random House). The book was published on August 16, 2011. An audiobook was released the same day; it was narrated by Wil Wheaton, who was mentioned briefly in one of the chapters. In 2012, the book received an Alex Award from the Young Adult Library Services Association division of the American Library Association and won the 2012 Prometheus Award.
 question: was ready player one based on a book?

A: Yes
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Q: passage: Sunk costs are sometimes contrasted with prospective costs, which are future costs that may be incurred or changed if an action is taken. In that regard, both retrospective and prospective costs could be either fixed costs (continuous for as long as the business is in operation and unaffected by output volume) or variable costs (dependent on volume). However, many economists consider it a mistake to classify sunk costs as ``fixed'' or ``variable.'' For example, if a firm sinks $400 million on an enterprise software installation, that cost is ``sunk'' because it was a one-time expense and cannot be recovered once spent. A ``fixed'' cost would be monthly payments made as part of a service contract or licensing deal with the company that set up the software. The upfront irretrievable payment for the installation should not be deemed a ``fixed'' cost, with its cost spread out over time. Sunk costs should be kept separate. The ``variable costs'' for this project might include data centre power usage, for example.
 question: is a fixed cost always a sunk cost?

A:
No
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