In this task, you're given four sentences of a story written in natural language in which one part is missing. Your job is to predict the position and missing part of the story and return in the following format: position, missing part. The missing part is a sentence that completes the story, and the position is the number of the missing sentence in the new story.

Example Input: Sentence1: Jasmine did not study for her big math test. Sentence2: Jasmine soon realized the test was very difficult. Sentence3: She decided to cheat by looking at her neighbor's paper. Sentence4: The teacher caught her and gave her detention.
Example Output: 2, She figured she could just wing it.

Example Input: Sentence1: Jessica was getting ready to graduate from college. Sentence2: She worked very hard in school and thought she deserved a reward. Sentence3: Her father knew that Jessica wanted a vacation. Sentence4: Jessica was very happy.
Example Output: 4, On her graduation day, Jessica's father surprised her with tickets.

Example Input: Sentence1: Tickets went on sale online and the server was very busy. Sentence2: Meghan and Scott were trying hard to buy tickets. Sentence3: Just when the concert was almost sold out, Meghan found two tickets. Sentence4: They were so relieved.
Example Output:
1, Meghan and Scott wanted to see their favorite band play in a concert.