Complex sentence: Indonesia has qualified one boat each in the men's and women's single sculls for the Olympics at the 2016 Asia & Oceania Continental Qualification Regatta in Chungju, South Korea, signifying the nation's Olympic return to the sport for the first time since 2004.
Split into simpler sentences: Indonesia has qualified one boat each in the men's and women's single sculls for the Olympics at the 2016 Asia & Oceania Continental Qualification Regatta in Chungju, South Korea. This signifies nation's Olympic return to the sport for the first time since 2004.