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: Rhonda bought some new pink socks to wear. Sentence2: She loved them. Sentence3: When she took them off, though, they got mixed in with other laundry. Sentence4: On laundry day she washed her clothes without sorting them.

Ex Output:
5, Sadly, they were ruined and Rhonda had to buy a new pair.

Ex Input:
Sentence1: He prepared himself for the questions they may ask. Sentence2: The interviewer seemed to be impressed with Mark's answers. Sentence3: The interviewer informed Mark he had the job. Sentence4: Mark was very happy.

Ex Output:
1, Mark had a big interview for a new job.

Ex Input:
Sentence1: When it was time to eat, Mother rang the bell. Sentence2: Dad and Bill knew that sound when they heard it. Sentence3: Mother was happy when they finally arrived in the house. Sentence4: The family sat down, and enjoyed a meal together.

Ex Output:
3, They dropped their yard work, carefully, and washed their hands.