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: Lester was infatuated with Christina. Sentence2: He was a photographer and she was a graphic designer. Sentence3: Lester spent all his free time with Christina. Sentence4: Lester asked her to marry him.
Example Output: 4, Finally, she said she loved him and wanted children with him.

Example Input: Sentence1: Jane wanted long hair. Sentence2: But it became difficult to take care of. Sentence3: And when it was summer, hair long hair made her too hot. Sentence4: Jane decided to cut her hair short for summer.
Example Output: 2, So she let it grow for months and months.

Example Input: Sentence1: The little sister found out she was having a baby brother. Sentence2: Then she started acting out. Sentence3: She colored on the walls. Sentence4: The little sister got punished with a timeout.
Example Output:
2, She was excited until she found out she would no longer be the baby.