Task: Sentence Ordering
Input (English): Sentence1: The problem was, he moved to a new state. Sentence2: Aliza had a long lost ex-boyfriend she was bound to find. Sentence3: Aliza was sad, but she never contacted him again. Sentence4: She found him, but he was married with kids. Sentence5: She decided to use Facebook to find him.
Output (English): 21543