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: Robbie was looking for help shoveling her car out of the snow. Sentence2: She posted on Facebook, hoping somebody would see. Sentence3: Cameron saw the post, and felt sympathy for Robbie and her car. Sentence4: Since he had the day off work, Cameron said he could help.
Example Output: 5, Cameron came by and helped Robbie shovel.

Example Input: Sentence1: Tom and Jake went to a concert. Sentence2: They were seeing this band they love. Sentence3: They went into the general admission area. Sentence4: Some very tall people were standing so they couldn't see a thing.
Example Output: 5, Tom and Jake then could not see their favorite band.

Example Input: Sentence1: Farmer Bill called out the the cows in the field. Sentence2: Bill poured out some grains for the cows in big bins. Sentence3: The cows happily ate their dinner. Sentence4: Bill was proud of his work.
Example Output:
2, The came running in for their food.