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Best Picture: Argo, an American thriller film based loosely on an account published in 2007 of the "Canadian Caper," in which a CIA operative led the rescue of six U.S. diplomats from Tehran, Iran, during the 1979 Iran hostage crisis.

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Best Picture: Django Unchained, an American Western film follows a freed slave who treks across America with a bounty hunter on a mission to rescue his wife.

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Best Picture: Life of Pi, a film based on a novel by Ang Lee in which a 16-year-old boy survives a shipwreck in which his family dies and is stranded in the Pacific Ocean on a lifeboat with a Bengal tiger.

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Best Picture: Silver Linings Playbook, a romantic comedy-drama adapted from the novel of the same name by Matthew Quick.

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Best Actor in a Leading Role: Bradley Cooper for playing Pat, a man struggling to cope with daily life following his release from a psychiatric facility in the movie Silver Linings Playbook.

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Best Actor in a Leading Role: Hugh Jackman for his performance as Jean Valjean, a former prisoner whose attempt to build a new life for himself is threatened by the relentless pursuit of a police inspector in the film adaptation of the musical Les Misérables.

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Best Actor in a Leading Role: Denzel Washington plays Whip Whitaker, a pilot with a substance abuse problem whose life changes after he performs a daring maneuver during an airliner crash in the film Flight.

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Best Actress in a Leading Role: Jennifer Lawrence for her performance as Tiffany, a troubled young widow who begins a complex relationship with a man recently released from a psychiatric facility in the film Silver Linings Playbook.

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Best Actress in a Leading Role: Quvenzhané Wallis for her performance as Hushpuppy, an imaginative young girl living with her father in an isolated Louisiana swampland in the film Beasts of the Southern Wild. At the age of 9, Wallis is the youngest person ever to be nominated for a Best Actress Oscar.