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: We went many places around town. Sentence2: But one place I wanted to go was the White House. Sentence3: He took me to the White House, and I was so happy. Sentence4: We took the tour and enjoyed the history of the place.

Ex Output:
1, I traveled to Washington DC to visit my boyfriend.

Ex Input:
Sentence1: Anna was walking to school one morning. Sentence2: She entered the crosswalk on the main road. Sentence3: Anna was crushed and her leg was broken. Sentence4: Anna sued them but got nothing because they had no insurance.

Ex Output:
3, A car suddenly flew into it and struck her.

Ex Input:
Sentence1: Sally was on her work break. Sentence2: She went to get tacos from the taco stand outside. Sentence3: She realized she had forgotten her wallet at home. Sentence4: Sally was grateful for his kindness.

Ex Output:
4, A nice man noticed what happened and offered to pay.