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.

Sentence1: We went snow skiing for my wife's birthday. Sentence2: In the lift line, we started talking to another couple. Sentence3: The four of us had drinks in the lodge that night. Sentence4: We had our first swingers experience that night.
3, We found out that they were celebrating the wife's birthday.

Sentence1: His owner walked him up to the platform one day. Sentence2: He was scared to slide down. Sentence3: They continued to do this every day on their walk. Sentence4: The Malamute eventually tried to slide down the slide.
1, The Malamute always sniffed at the slide during his walk.

Sentence1: His father was very upset with him. Sentence2: He pointed to the school janitor, and told Will that was his future. Sentence3: Will did not want to clean up the school bathrooms. Sentence4: Will started to listen to his teacher.
1, Will was very wild in kindergarten, and did not listen to his teacher.