Task: Sentence Ordering
Input (English): Sentence1: He picked up his boss by the collar and threw him down. Sentence2: Fred's coworker who saw him assault his boss called the police. Sentence3: He told Fred that times were tough and he had to be laid off. Sentence4: Fred's boss called him into the office at the propane filling station. Sentence5: Fred became very angry about this.
Output (English): 45213