Complex sentence: The 6C 3000 PR was entered at the 2nd Gran Premio Supercortemaggiore held at Monza in 1954, driven by Sanesi; the vehicle was written off in a crash, in which Sanesi was also injuried.
Split into simpler sentences: The 6C 3000 PR was entered at the 2nd Gran Premio Supercortemaggiore held at Monza in 1954, driven by Sanesi. The vehicle was written off in a crash, in which Sanesi was also injuried.