Task: Sentence Ordering
Input (English): Sentence1: I did not know how to swim in deep water. Sentence2: By accident, I slipped into the deep part of the pool. Sentence3: When I was seven years old, I went swimming with some friends. Sentence4: I thought I was going to drown! Sentence5: A lifeguard jumped in and pulled me out of the deep end.
Output (English): 23145