Complex sentence: During the Second Sino-Japanese War the Imperial Japanese Army during the Battle of Nanking carried out a genocidal rape known as the Rape of Nanking, described by Adam Jones as "one of the most savage instances of genocidal rape".
Split into simpler sentences: During the Second Sino-Japanese War the Imperial Japanese Army during the Battle of Nanking carried out a genocidal rape known as the Rape of Nanking. Described by Adam Jones as "one of the most savage instances of genocidal rape".