Complex sentence: Shi Na (born 1981-02-17 in Xintai, Shandong) is a female Chinese athletics race walker, who will represent her country at the 20 km race walk event at the 2008 Summer Olympics.
Split into simpler sentences: Shi Na (born 1981-02-17 in Xintai, Shandong) is a female Chinese athletics race walker. She will represent her country at the 20 km race walk event at the 2008 Summer Olympics.