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: Karen was a softball player. Sentence2: Her team wasn't doing very well. Sentence3: Her coach gave them a very inspiring speech. Sentence4: Karen improved with the team.
Example Output: 4, Everyone started to practice and work much harder.

Example Input: Sentence1: My brothers and I were sharing a pizza. Sentence2: We all wanted it. Sentence3: Before anybody could say anything I licked it. Sentence4: I got to eat the slice.
Example Output: 2, There was only one slice left.

Example Input: Sentence1: Evie wandered about the castle for hours. Sentence2: Her supervisors quizzed her about what she had learned. Sentence3: She answered their questions brilliantly and with ease. Sentence4: She was proud of herself.
Example Output:
2, She explored every nook and cranny of the structure.