Task: Explanation
Input (English): The Big Eight Conference was a National Collegiate Athletic Association (NCAA)-affiliated Division I-A college athletic association that sponsored football. It was formed in January 1907 as the Missouri Valley Intercollegiate Athletic Association (MVIAA) by its charter member schools: the University of Kansas, University of Missouri, University of Nebraska, and Washington University in St. Louis. Additionally, the University of Iowa was an original member of the MVIAA, while maintaining joint membership in the Western Conference (now the Big Ten Conference). Question: The Oklahoma Sooners was formerly a member of what conference formed in January 1907? Answer: The Big Eight Conference
Output (English):  It was formed in January 1907 as the Missouri Valley Intercollegiate Athletic Association MVIAA by its charter member schools: the University of Kansas, University of Missouri, University of Nebraska, and Washington University in St. Louis.