Task: Sentence Ordering
Input (English): Sentence1: They both applied to Cornell and planned to room together. Sentence2: Karen and Diane had been best friends since childhood. Sentence3: It was hard, but they agreed to go their separate ways. Sentence4: Now high school seniors, they've started thinking about college. Sentence5: Karen was accepted but Diane was not, which was hard for both of them.
Output (English): 31524