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.

Ex Input:
Sentence1: Addie was working at the mall at Hollister when a strange man came in. Sentence2: Before she knew it, Addie looked behind her and saw stolen clothes. Sentence3: Luckily guards came and arrested him. Sentence4: Addie was relieved and took deep breaths to calm herself.

Ex Output:
3, Addie got scared and tried to chase the man out.

Ex Input:
Sentence1: One day she went on an overnight field trip. Sentence2: My wife went as a chaperone. Sentence3: Everyone stayed in a cabin in New Hampshire for a weekend. Sentence4: My daughter never forgot her field trip.

Ex Output:
1, My daughter was a girl scout in elementary school.

Ex Input:
Sentence1: Sean and Sara were travelling to see a concert. Sentence2: Once they got there, they checked into a hotel. Sentence3: They walked to the concert venue. Sentence4: Sadly, the concert was canceled due to sickness.

Ex Output:
2, They had to take the train to Portland.