Task: Sentence Ordering
Input (English): Sentence1: My friend nathan and his family went to the lake one summer. Sentence2: One day Nathan's dad left and didn't leave a lighter for his mom. Sentence3: Poor Nathan had to walk down a gravel road to bring his mom matches. Sentence4: When Nathan returned, his mom apologized for being so mean. Sentence5: Well his mom was very upset and made him walk to the store barefoot.
Output (English): 12453