Complex sentence: In March 2014 Russia was suspended following the annexation of Crimea, whereupon the group's name reverted to the G7; however, certain representatives of G7 countries stated that they would be interested in Russia's return to the group.
Split into simpler sentences: In March 2014 Russia was suspended following the annexation of Crimea, whereupon the group's name reverted to the G7. Certain representatives of G7 countries stated that they would be interested in Russia's return to the group.