Task: Sentence Ordering
Input (English): Sentence1: A lifeguard jumped in and pulled me out of the deep end. Sentence2: I thought I was going to drown! Sentence3: By accident, I slipped into the deep part of the pool. Sentence4: I did not know how to swim in deep water. Sentence5: When I was seven years old, I went swimming with some friends.
Output (English): 54321