Input (grade 7): However, William J. Murray states that the term derives from the commercial benefits of the two clubs' rivalry, which were viewed with distaste in some quarters in the early days of the game.
Output (grade 7): However, William J. Murray states that the term comes from the commercial benefits of the two clubs' rivalry, which were viewed with distaste in some parts in the early days of the game Murray, William J. (1984).