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: Gary always brought his lunch to work. Sentence2: Today Gary couldn't find his lunchbox. Sentence3: He figured he would just buy something out of the machine at work. Sentence4: Gary was very upset and went hungry.

Output: 4, When Gary took his lunch, he found out the machine was broken.

Input: Consider Input: Sentence1: Amy called Kim. Sentence2: Kim was jealous of Amy's boyfriend. Sentence3: Amy accepted her apology. Sentence4: They decided never to let a guy come between them.

Output: 2, She wanted to find out why Kim was being rude to her.

Input: Consider Input: Sentence1: She studies very hard to become an expert in Biology. Sentence2: Her friends tell her that Biology is too tough for her. Sentence3: However, she continues until she has her degree. Sentence4: Now Maureen shares her passion for Biology with students.
Output: 1, Maureen has always wanted to become a Biology teacher.