premise: B-17 Flying Fortress or B-17 Flying Fortress World War II Bombers in Action is a flight simulation/role-playing video game released in 1992 for MS-DOS by MicroProse.
hypothesis: B-18 Flying Fortress or B-18 Flying Fortress World War II Bombers in Action is a flight simulation/role-playing video game released in 1992 for MS-DOS by MicroProse.