Suppose The Great Escape is a 1963 American epic war film starring Steve McQueen, James Garner, and Richard Attenborough. It is based on a true story of a group of Allied prisoners who escape from a German POW camp during World War II. The film is known for its thrilling escape sequences and memorable characters.
Can we infer that "The Great Escape was based on a fantasy novel."? Yes, no, or maybe?