In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Q: The Oregon Trail is a 2,170-mile (3,490 km) historic East -- West, large-wheeled wagon route and emigrant trail in the United States that connected the Missouri River to valleys in Oregon. The eastern part of the Oregon Trail spanned part of the future state of Kansas, and nearly all of what are now the states of Nebraska and Wyoming. The western half of the trail spanned most of the future states of Idaho and Oregon.

A: what was the main route that settlers took to oregon
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Q: Rickman's first film role was as the German terrorist leader Hans Gruber in Die Hard (1988). Rickman's other film roles included the Sheriff of Nottingham in Robin Hood: Prince of Thieves (1991), for which he received the BAFTA Award for Best Actor in a Supporting Role, Jamie in Truly, Madly, Deeply (1991), P.L. O'Hara in An Awfully Big Adventure (1995), Colonel Brandon in Sense and Sensibility (1995), Alexander Dane in Galaxy Quest (1999), Harry in Love Actually (2003) and Judge Turpin in the film adaptation of Stephen Sondheim's musical of Sweeney Todd: The Demon Barber of Fleet Street (2007). Rickman gained further notice for his film performances as Severus Snape in the Harry Potter series. Rickman also starred in television films, playing the title character in Rasputin: Dark Servant of Destiny (1996), which won him a Golden Globe Award, an Emmy Award and a Screen Actors Guild Award, and Dr. Alfred Blalock in the Emmy-winning Something the Lord Made (2004).

A: who played colonel brandon in sense and sensibility
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Q: Assassin's Creed III: Liberation is a 2012 action-adventure video game developed and published by Ubisoft, initially as an exclusive title for PlayStation Vita. Sony announced the game at its press conference during the Electronic Entertainment Expo 2012, few days after first leaks about the game presented in Game Informer. It was released on October 30, 2012 alongside Assassin's Creed III, with which it can be linked. The game was re-released as Assassin's Creed: Liberation HD for the PlayStation 3, Xbox 360 and Microsoft Windows via the PlayStation Network, Xbox Live Arcade and Steam, respectively. It was later packed as part of 'Assassin's Creed The Americas Collection' for the PlayStation 3 and Xbox 360, along with Assassin's Creed III and Assassin's Creed IV: Black Flag.

A:
what is the difference between assassin's creed 3 and liberation
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