Complex sentence: Tong Xin (born 1982) is a female Chinese sport shooter, competing in 25 metre pistol and 10 metre air pistol, of which she has been most successful in the latter.
Split into simpler sentences: Tong Xin (born 1982) is a female Chinese sport shooter. She competes in the 25 metre pistol and 10 metre air pistol, of which she has been most successful in the latter.