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: Unfortunately, Mike had no idea where he should go. Sentence2: He then decided to spin a globe and go where his finger landed. Sentence3: Mike's finger landed on Hawaii. Sentence4: Mike took a trip to Hawaii.
Example Output: 1, Mike was tired of work and needed a vacation.

Example Input: Sentence1: Yesterday, my mother in law called, and wanted to go out to some store. Sentence2: She picked me up at 4:30, and we headed out. Sentence3: We went to one store after the other looking for good deals. Sentence4: Absolutely none of the stores had anything good to buy.
Example Output: 5, We went home without buying anything.

Example Input: Sentence1: Gina and her friend Tami were walking around the playground. Sentence2: They talked for 5 minutes. Sentence3: Now they were out of thing to discuss. Sentence4: Gina racked her brain but could find nothing to say.
Example Output:
5, They just walked comfortably in silence for a while.