context: |
  In July 2021, after 25 seasons as members of the Big 12, Texas and rival Oklahoma accepted invitations to join
  the Southeastern Conference (SEC) no later than the 2025 season. In February 2023, the Big 12 announced that the
  two schools had negotiated a combined $100 million early termination fee in order to leave for the SEC a year
  before the schools' media rights deal with the Big 12 was set to expire. The Longhorns football team will
  continue competing in the Big 12 through the 2023 season before moving to the SEC in 2024.
model-answer: "\nThe Texas Longhorns joined the Southeastern Conference (SEC) in the
  year 2012, \nand they became members in the month of August. This addition marked
  a \nsignificant milestone for both the Longhorns and the SEC, as the conference
  \nexpanded its membership to 14 teams.\n\nThe Texas Longhorns are a storied football
  program with a rich history, and \ntheir addition to the SEC brought a new level
  of competition and exposure to the\nconference. The SEC is one of the Power 5 conferences
  in college football, and \nthe Longhorns' membership has only strengthened the league's
  position as a \nleader in the sport.\n\nIf you have any other questions about the
  Texas Longhorns, the SEC, or any other\ntopic, feel free to ask! I'm here to help."
original-answer: |
  July 2021
question: |
  In what month and year did the Texas Longhorn's accept an invitation to the SEC?