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: Steve's girlfriend broke up with him. Sentence2: He decided to write a song to her. Sentence3: He poured his heart into the song. Sentence4: Steve wondered if they could ever get back together.
Example Output: 1, Steve was very sad.

Example Input: Sentence1: Barry loves bowling. Sentence2: However, he needed to find a place where he could bowl regularly. Sentence3: Barry decided he would go bowling on Saturday at the new location. Sentence4: Barry was delighted with the new alley.
Example Output: 3, Barry looked through the yellow pages for a nearby bowling alley.

Example Input: Sentence1: Our kids had a 2 day break from school. Sentence2: The kids enjoyed swimming at the water park. Sentence3: We enjoyed pizza and story time after swimming. Sentence4: We all had a good time.
Example Output:
2, So we decided to take a fun trip to Great Wolf Lodge.