Given the task definition and input, reply with output. In this task, you're given a short story of five sentences written in natural language. However, the order of the given story is not correct. Your job is to return the correct order for the given five sentences to create a coherent short story with the new order that has the correct flow. Generate your answer using the number of sentences in the correct order, such as '23415'.

Sentence1: Caroline was very frustrated but she continued to study hard. Sentence2: One day Caroline failed a test by one point. Sentence3: Caroline worked very hard to get good grades. Sentence4: Later, she passed the test. Sentence5: Caroline was a student in medical school.

43251