Input (grade 9): Alfredo Ferrari (nicknamed Dino), son of Enzo Ferrari, suggested to him the development of a 1.5 L DOHC V6 engine for Formula Two at the end of 1955.
Output (grade 6): Alfredo Ferrari, the son of Enzo Ferrari, was nicknamed Dino. He suggested building a 1.5 Litre V6 engine for Formula Two racing.