Task: Sentence Ordering
Input (English): Sentence1: When they walked out of the movies, he suddenly dropped to his knees. Sentence2: John loved Meg, and wanted to marry her. Sentence3: He decided to ask her to marry him tonight, after a movie date. Sentence4: John and Meg had dated for five Year's. Sentence5: He asked her to marry him.
Output (English): 42315