Complex sentence: Michelle Sutcliffe (born February 3,1967), is a female boxer from England who also practices the martial arts sport of Muay Thai, where she is undefeated in nine fights, with three wins by knockout.
Split into simpler sentences: Michelle Sutcliffe (born February 3,1967), is a female boxer from England. Sutcliffe also participates in the martial arts sport of Muay Thai, where she is undefeated in nine fights, with three wins by knockout.