Input (grade 12): Juan Manuel Fangio, a previous champion (1951) transferred mid-season from Maserati to Mercedes-Benz for their debut at the French Grand Prix on 4 July 1954.
Output (grade 12): Juan Manuel Fangio, a previous champion the season transferred mid-season from Maserati to Mercedes-Benz for their debut at the French Grand Prix on July 4, 1954.