 Complete the following phrase:  The first Formula One World Championship season took place in 1950, and the Ferrari team made its World Championship debut at Monte Carlo with Ascari, Villoresi and the famous French driver Raymond Sommer on the team. The team had a mixed year  their supercharged Tipo 125 was too slow to challenge the domit Alfa Romeo team so instead Ferrari began working on an unblown 4.5l car. Much of the year was lost as the teams 2-litre Formula Two engine was progressively enlarged, though when the full 4.5l Tipo 375 arrived for the 