Input (grade 13): Another disabled athlete to appear in the Olympics prior to the Paralympic Games was Liz Hartel, a Danish equestrian athlete who had contracted polio in 1943 and won a silver medal in the dressage event.
Output (grade 9): Another disabled athlete to appear in the Olympics prior to the Paralympic Games was Liz Hartel. She was a Danish equestrian athlete who had contracted polio in 1943.