Task: Sentence Ordering
Input (English): Sentence1: Ranger fans are looking forward to his return. Sentence2: Ranger fans are hopeful he will be a leader for their pitchers. Sentence3: According to reports, he is finally healthy and able to play. Sentence4: For the last two seasons he has been injured. Sentence5: Yu Darvish is a pitcher for the Texas Rangers.
Output (English): 54321