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: Ryan used to work for mall security. Sentence2: One day, he saw a raccoon in the mall. Sentence3: He stared at it for hours until it left. Sentence4: Ryan decided his job was rather dull.
Example Output: 2, He often worked the night shift.

Example Input: Sentence1: I drove to Chicago. Sentence2: I could not believe I was seeing a Beatle. Sentence3: I was 30 rows from the front of the stage. Sentence4: I cheered when the Beatle came under the spotlight.
Example Output: 1, I got my concert tickets.

Example Input: Sentence1: Johnson has never liked being outdoors very much. Sentence2: His girlfriend teases him that he could never go on a camping trip. Sentence3: He packs up a tent and goes camping for a long weekend. Sentence4: He had a miserable weekend, but told his girlfriend it was great.
Example Output:
3, Johnson decides to prove her wrong.