Task: Sentence Ordering
Input (English): Sentence1: During the race he felt frustrated when so many people passed him. Sentence2: When he heard his name called during awards he was shocked. Sentence3: He didn't realize they would do awards by age group. Sentence4: He was proud to finish first by age but tenth overall. Sentence5: Tommy trained hard to run his first 5K.
Output (English): 23451