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: He watched several documentaries about Einstein. Sentence2: Then, he read a book on the Theory of Relativity. Sentence3: Joe learned quite a lot about Einstein's scientific achievements. Sentence4: He could not wait for his advanced physics class to start.
Example Output: 1, Joe was interested in Einstein's General Theory of Relativity.

Example Input: Sentence1: Amy is enrolled in an advanced Plant Biology course. Sentence2: She has a test next week about Photosynthesis. Sentence3: She wrote a song about it to memorize the material more easily. Sentence4: Her song helped her and she then did well.
Example Output: 3, The information is complex and in depth.

Example Input: Sentence1: I have a favorite pair of socks. Sentence2: One of the two was lost. Sentence3: I looked everywhere and couldn't find it. Sentence4: Eventually it turned up.
Example Output:
2, Last week I was doing laundry.