Original sentence: She is known for her portrayal of Mattie Ross in the 2010 film True Grit, which was her feature film debut, and for which she was nominated for an Academy Award for Best Supporting Actress, a Screen Actors Guild Award for Outstanding Performance by a Female Actor in a Supporting Role, and a BAFTA Award for Best Actress in a Leading Role
Edited sentence: She is best known for her portrayal of Mattie Ross in the 2010 film True Grit, which was her feature film debut, and for which she was nominated for an Academy Award for Best Supporting Actress, a Screen Actors Guild Award for Outstanding Performance by a Female Actor in a Supporting Role, and a BAFTA Award for Best Actress in a Leading Role