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: My mom took me grocery shopping. Sentence2: She let me pick out all the food. Sentence3: I picked out a lot of candy and snacks! Sentence4: Then, she went to the register and paid for it all.
Example Output: 5, I ate a lot of candy that day.

Example Input: Sentence1: Brandon lives in Clearwater. Sentence2: He enjoys living by the ocean. Sentence3: He decided to get his fishing license. Sentence4: Brandon then became a regular fisherman.
Example Output: 3, A pier was built near his house.

Example Input: Sentence1: Skip's grades in school were getting worse and worse. Sentence2: His parents considered getting him a tutor. Sentence3: They noticed, however, that Skip was squinting a lot. Sentence4: Skip got glasses and improved in class.
Example Output:
4, They realized he needed glasses and not a tutor.