Task: Sentence Ordering
Input (English): Sentence1: Nate had a hard time working up the energy to confront him. Sentence2: He decided to pay his roommate to do it for him. Sentence3: He was notoriously lazy. Sentence4: The roommate took the money and never did the work. Sentence5: It was Nate's turn to sweep the floor this week.
Output (English): 53241