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: I needed to take my dog for a walk. Sentence2: My neighborhood requires a leash. Sentence3: I looked through my house for the leash. Sentence4: I could not find it.
Example Output: 5, I decided to take my dog to the back yard.

Example Input: Sentence1: Chase really wanted a new toy. Sentence2: His mom would not purchase a new toy for him. Sentence3: She advised he save his allowance. Sentence4: He saved his allowance.
Example Output: 5, Chase bought himself a new toy.

Example Input: Sentence1: Timmy was caught with unpaid parking tickets. Sentence2: He didn't have enough money to pay for them. Sentence3: Instead he had to be arrested and jailed for two days. Sentence4: He lost his jobs for missing work.
Example Output:
5, Timmy then had to find another job,