Task: Sentence Ordering
Input (English): Sentence1: His training paid off at a marathon later that year. Sentence2: As soon as he could, Matt was back to training. Sentence3: Matt missed the race and required an extensive rehab. Sentence4: Near the time of the race, he slipped on a run and damaged his knee. Sentence5: One year, Matt was training for a half marathon.
Output (English): 54321