Task: Sentence Ordering
Input (English): Sentence1: Rebecca met Jake when they were both six Year's old. Sentence2: They became best friends and grew up together. Sentence3: Jake's family moved back next to Rebecca three years later. Sentence4: He promised Rebecca he would come back for her. Sentence5: When they were 13 Year's old, Jakels family moved away.
Output (English): 12543