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: Andrew had never been in trouble for anything. Sentence2: Andrew's friends came over and wanted to drink. Sentence3: So Andrew took out his parents secret stash of alcohol. Sentence4: They drank the alcohol and got drunk.
Example Output: 2, His parents were out of town for the week.

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

Example Input: Sentence1: My friend and I had a little contest the other day. Sentence2: We tried to see who could blow the biggest bubblegum bubble. Sentence3: We took different turns and would take measurements. Sentence4: He was a little mad, but I just laughed.
Example Output:
4, When his was getting at it's biggest I popped it.