Complex sentence: Originally from Manchester, England, she was the Women's 800 metres champion in the Commonwealth Games of 1990, but the following year her career was effectively ended when she was accused of taking the performance-enhancing drug, testosterone.
Split into simpler sentences: Originally from Manchester, England, she was the Women's 800 metres champion in the Commonwealth Games of 1990. In1994, her career was effectively ended when she was accused of taking the performance-enhancing drug, testosterone.