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: Lou was on a diet. Sentence2: She was eating very little. Sentence3: But she still struggled to lose weight! Sentence4: Lou was finally able to lose weight.
Example Output: 4, Then she added an exercise regimen.

Example Input: Sentence1: Yesterday I had a great time seeing The Nutcracker. Sentence2: As the dancers graced the stage it was beautiful. Sentence3: I felt honored to have seen the show. Sentence4: I wanted to see it again.
Example Output: 2, I absolutely loved it.

Example Input: Sentence1: She practiced all weekend on perfecting her speech. Sentence2: On Monday she awoke to realized it was 8:45. Sentence3: She hurriedly dressed and arrived to work 5 minutes late. Sentence4: Alice was a mess during her presentation.
Example Output:
1, Alice had a presentation at 9 am at work on Monday.