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: Sally had an older sister who was good at everything. Sentence2: Mary laughed her off and told her that she had many strengths too. Sentence3: Sally looked at herself in a different way. Sentence4: Sally felt better.

Ex Output:
2, One day she told her sister Mary she felt insecure.

Ex Input:
Sentence1: He decided to swat it. Sentence2: He tried for half an hour but it kept evading him. Sentence3: Eventually the fly flew out on its own. Sentence4: Don closed the door it flew out of.

Ex Output:
1, Don noticed a fly go into the living room.

Ex Input:
Sentence1: One day I wanted to cook a nice dinner for my family. Sentence2: I boiled the noodles and put the sauce in a pot on the stove. Sentence3: I turned the stove on too high. Sentence4: The sauce burned and stuck to the bottom of the pan.

Ex Output:
2, I decided to cook spaghetti.