Task: Sentence Ordering
Input (English): Sentence1: We visited almost all of the exhibits, but did not see any sloths. Sentence2: One day, I went to the zoo with my friends. Sentence3: I heard the zoo had sloths, and I had always wanted to see them. Sentence4: We were gratified. Sentence5: We finally found the sloths in the very last exhibit.
Output (English): 31254