Task: Sentence Ordering
Input (English): Sentence1: One day, I went to the zoo with my friends. Sentence2: We were gratified. Sentence3: We finally found the sloths in the very last exhibit. Sentence4: I heard the zoo had sloths, and I had always wanted to see them. Sentence5: We visited almost all of the exhibits, but did not see any sloths.
Output (English): 15423