Complex sentence: Chinese President Xi Jinping sent a message of condolences on 1 November to President Vladimir Putin, while Premier Li Keqiang sent a similar message to his Russian counterpart, Prime Minister Dmitry Medvedev.
Split into simpler sentences: Chinese President Xi Jinping sent a message of condolences on 1 November to President Vladimir Putin. Chinese Premier Li Keqiang sent a message of condolences to Russia's Prime Minister Dmitry Medvedev.