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.

Ex Input:
Sentence1: Tim decided to spend more time with his granddad. Sentence2: His grandpa loved birdwatching, so Tim watched with him. Sentence3: They marked their sightings in a notebook. Sentence4: Tim and his grandad found a hobby that they both enjoyed.

Ex Output:
4, Soon Tim was really interested!

Ex Input:
Sentence1: Barry had only one thousand dollars left in his bank account. Sentence2: He needed to find a job. Sentence3: He searched for 3 months. Sentence4: Eventually, his money ran out.

Ex Output:
5, He had to go to a homeless shelter.

Ex Input:
Sentence1: We went snow skiing for my wife's birthday. Sentence2: We found out that they were celebrating the wife's birthday. Sentence3: The four of us had drinks in the lodge that night. Sentence4: We had our first swingers experience that night.

Ex Output:
2, In the lift line, we started talking to another couple.