Complex sentence: Masashi Kato (born August 14,1970 in Osaka) is a retired male freestyle swimmer from Japan, who represented his native country in two consecutive Summer Olympics, starting in 1988.
Split into simpler sentences: Masashi Kato (born August 14,1970 in Osaka) is a retired male freestyle swimmer from Japan. He represented his native country in two consecutive Summer Olympics, starting in 1988.