Task: Sentence Ordering
Input (English): Sentence1: John had a huge client presentation tomorrow, but he felt unprepared. Sentence2: John had always felt comfortable in front of crowds. Sentence3: This content, however, lacked polish and needed refinement. Sentence4: John reworked the presentation, and it was a great success. Sentence5: It's not that he was nervous presenting.
Output (English): 13452