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.

Input: Consider Input: Sentence1: Sam hopped into his mail truck and drove off. Sentence2: He was trying to do his route fast to get home early today. Sentence3: He drove so fast he didn't see a pothole in the road. Sentence4: The truck bounced hard when he hit the pothole.

Output: 5, Sam's head hit the steering wheel.

Input: Consider Input: Sentence1: Ron has anger problems. Sentence2: The cashier was sassy, and egged him on further. Sentence3: Ron grabbed the cashier by the shirt, and pulled him over the counter. Sentence4: Ron was arrested.

Output: 2, During a trip to the store, he got angry at a slow cashier.

Input: Consider Input: Sentence1: Neil flew into Russia. Sentence2: He found that Russia was colorful and vibrant. Sentence3: It also had a great and rich history. Sentence4: Neil found the trip stimulating.
Output: 2, There, he visited tourist sites and saw friendly locals.