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: 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.

Ex Output:
1, I got my concert tickets.

Ex Input:
Sentence1: Trip loved watermelon. Sentence2: He would eat at least one a day. Sentence3: His mom always told him he would grow a tree swallowing seeds. Sentence4: Trip enjoyed the flavor of the seeds.

Ex Output:
4, He always swallowed them anyways.

Ex Input:
Sentence1: We decided to ride to work together. Sentence2: We got in the car and headed out together. Sentence3: The ride seemed much shorter with someone to talk to. Sentence4: When the ride was over, we parted ways.

Ex Output:
1, My roommate got a new job at the place I go to school.