Task: Sentence Ordering
Input (English): Sentence1: They had a snowball fight. Sentence2: They went inside to roast marshmallows. Sentence3: It snowed so hard that school was called off for the day. Sentence4: They built a tall snowman and a snow fort. Sentence5: The boys put on their coats, hats, gloves and boots and went outside.
Output (English): 45132