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: When I was young I loved hide and sneak. Sentence2: I would play it even when others didn't know. Sentence3: I did this all the time in elementary school. Sentence4: When I got older, I had to stop jumping out at people.

Ex Output:
3, I would just hide and jump out at people.

Ex Input:
Sentence1: He was amazing at how expensive a personal trainer was. Sentence2: He wanted to get into shape but couldn't afford the rates. Sentence3: He found personal trainer routines online for free. Sentence4: He was happy with his decision.

Ex Output:
1, Fred is brand new to exercising and just joined a gym.

Ex Input:
Sentence1: He told Fred that times were tough and he had to be laid off. Sentence2: Fred became very angry about this. Sentence3: He picked up his boss by the collar and threw him down. Sentence4: Fred's coworker who saw him assault his boss called the police.

Ex Output:
1, Fred's boss called him into the office at the propane filling station.