Task: Sentence Ordering
Input (English): Sentence1: Ava needed to go shopping with her two-year old. Sentence2: But she couldn't find his shoes even after looking everywhere! Sentence3: She carried him into the store in order to select a new pair. Sentence4: Ava took good care of her son. Sentence5: She decided she had no choice but to buy him new shoes.
Output (English): 12453