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: I love all you can eat buffets. Sentence2: There used to be this amazing buffet by my house. Sentence3: It had all kinds of food from all over the world. Sentence4: So I would indulge every once in awhile, and it was delicious!

Output: 4, The only problem was that it was very expensive.

Input: Consider Input: Sentence1: A new Organic Avenue store opened up in NYC and I checked it out. Sentence2: I was super excited to try it because I never went before. Sentence3: As I walked in, they had amazing salads and juices to try. Sentence4: This was my new favorite restaurant.

Output: 4, I tried a summer salad and coconut water.

Input: Consider Input: Sentence1: Ben wanted a glass of orange juice. Sentence2: However, there was a bag of oranges. Sentence3: He halved a few of them and got out the juicer. Sentence4: Ben made freshly squeezed orange juice from the oranges.
Output: 2, There was none in the house.