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: Pamela was so excited to finally have a boyfriend, Ralph. Sentence2: Ralph never listened to what she said. Sentence3: He rarely showed up on time. Sentence4: He flirted too much with other girls.
Example Output: 5, Pamela decided to break up with Ralph.

Example Input: Sentence1: Gregory took a pottery class at a nearby night school. Sentence2: He was terrible at sculpture. Sentence3: He grew to like throwing pots on pottery wheels very much. Sentence4: He was very proud of his pots.
Example Output: 4, Eventually he was making pots half as tall as he was.

Example Input: Sentence1: My chest hair was getting out of control. Sentence2: I decided I needed to take some trimmers to it. Sentence3: I stepped into the shower and started to shave it off. Sentence4: The hair started to plug the drain because there was so much.
Example Output:
5, I decided to get it waxed.