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: Maureen has always wanted to become a Biology teacher. Sentence2: She studies very hard to become an expert in Biology. Sentence3: Her friends tell her that Biology is too tough for her. Sentence4: Now Maureen shares her passion for Biology with students.

Output: 4, However, she continues until she has her degree.

Input: Consider Input: Sentence1: Kim had dropped her toothbrush in the toilet. Sentence2: She was disgusted by the thought of putting her hand in to pull it out. Sentence3: Each time she had the toothbrush she would drop it. Sentence4: Kim decided this was a sign to buy a new toothbrush.

Output: 3, She grabbed a pair of scissors out of the drawer.

Input: Consider Input: Sentence1: Keira found a man she thought was a keeper. Sentence2: He had a great job, impressive house, and paid for all their dates. Sentence3: A few months into dating, Keira started planning her wedding dress. Sentence4: Keira cannot stay with this abusive man.
Output: 4, And then he hit her because she burned dinner.