Complex sentence: On 28 January 1933 an electric train crashed into the back of a steam freight train waiting at the signal box the driver of the electric train and the guard of the freight train were both seriously injured.
Split into simpler sentences: On 28 January 1933 an electric train crashed into the back of a steam freight train waiting at the signal box. The driver of the electric train and the guard of the freight train were both seriously injured.