Task: Sentence Ordering
Input (English): Sentence1: Mark and Frank had fun tossing the ball back and forth. Sentence2: Mark and Frank were swimming in Mark's family's pool. Sentence3: Mark and Frank apologized profusely. Sentence4: But then the saturated ball accidentally hit Mark's mother! Sentence5: Mark's mother brought out a sponge ball to them.
Output (English): 31542