Task: Sentence Ordering
Input (English): Sentence1: But they did not know that Harvey was a nationally ranked player. Sentence2: They all sat with their mouths open as Harvey beat them all. Sentence3: They challenged Harvey to a ping pong game, expecting him to lose. Sentence4: Harvey's roommates teased him about being so thin. Sentence5: They were egotistical football players.
Output (English): 45312