Complex sentence: Morten Christensen (born June 15,1965 in Copenhagen) is a former tennis player from Denmark, who represented his native country at the 1988 Summer Olympics in Seoul, South Korea.
Split into simpler sentences: Morten Christensen (born June 15,1965 in Copenhagen) is a former tennis player from Denmark. Christensen represented his native country at the 1988 Summer Olympics in Seoul, South Korea.