Task: Sentence Ordering
Input (English): Sentence1: They waited until the incident was over. Sentence2: Rushing towards the door, the students stopped when gunshots rang out. Sentence3: Diving under their desks, the students were petrified. Sentence4: Around 11am, the school's fire alarm went off. Sentence5: Then the teacher instructed them to hide under their desks.
Output (English): 52413