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: Our dog was named Cinnamon. Sentence2: She was very sweet and loving. Sentence3: She was starting to get old and frail. Sentence4: We had to put her down as she was in pain.
Example Output: 5, The whole family mourned Cinnamon.

Example Input: Sentence1: He wanted to get one of a wolf. Sentence2: His girlfriend sketched a neat design. Sentence3: Bob got the tattoo done the next day. Sentence4: Bob's girlfriend really liked his new tattoo.
Example Output: 1, Bob wanted to get a tattoo.

Example Input: Sentence1: It was my first time skiing and I was not doing well. Sentence2: We collided and both fell to the ground. Sentence3: The other skier told me his name was Jack and it was nice to meet me. Sentence4: I thought Jack was very polite.
Example Output:
2, I skied directly in the path of another skier.