Task: Sentence Ordering
Input (English): Sentence1: My girlfriends loves the opera and I don't. Sentence2: For the first time in my life I went to the opera. Sentence3: They were in town performing though so I told her I would go. Sentence4: To my surprise I actually had a good time! Sentence5: The performers were really talented and the music was beautiful.
Output (English): 21345