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: Tom was wrapping Christmas presents. Sentence2: But he lost track of who they were for. Sentence3: So he put wrong name tags on the presents. Sentence4: His son was bewildered when he unwrapped a dollhouse.
Example Output: 4, On Christmas, Tom handed his son a present.

Example Input: Sentence1: Ray hung a tire on a rope to make his daughter a swing. Sentence2: She climbed into it and played happily. Sentence3: The branch holding the swing had broken and his daughter had fallen! Sentence4: Ray ran to his daughter to make sure she was okay.
Example Output: 3, Then Ray heard a loud, sickening crack, and a loud crash.

Example Input: Sentence1: Becky and her friends decided to make some candy bars. Sentence2: The got all the ingredients together and got to it. Sentence3: The girls had a ton of fun. Sentence4: Her friends suggested she should sell the candy at a bake sale.
Example Output:
4, When the candy cooled they put them in bags.