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.

Ex Input:
Sentence1: My friend went out one night looking to find love. Sentence2: He ended up getting pretty drunk. Sentence3: After a while, we lost track of our friend. Sentence4: Our friend ended up home at three am with a girl.

Ex Output:
3, The next thing we knew he was flirting with a gay man.

Ex Input:
Sentence1: Keith went to a pet store to see the animals. Sentence2: The store had fish, small animals, and a few puppies. Sentence3: Keith petted a few of the puppies. Sentence4: Keith watched some of the colorful fish.

Ex Output:
3, The fish were of all different colors and sizes.

Ex Input:
Sentence1: She dreamed of their future together. Sentence2: Her dream was to give him the childhood that she was not given. Sentence3: She sacrificed time and energy to accomplish her goal. Sentence4: The boy had a very happy childhood.

Ex Output:
1, A mother looked at the face of her newborn baby boy.