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: A young girl named Taylor had always wanted a pet. Sentence2: They both entered the store and looked around. Sentence3: Taylor had a hard time deciding which animal to adopt. Sentence4: Taylor finally decided on the cute little kitten in the corner.
Example Output: 2, One day her mother surprised her with a trip to the pet store.

Example Input: Sentence1: Sara learned that she was expecting a child. Sentence2: She made it through the nine months of pregnancy. Sentence3: One day her water broke and she was taken to the hospital. Sentence4: Sara was in labor for 4 hours.
Example Output: 5, Sara had a baby boy.

Example Input: Sentence1: I was bored when my daughter went to Kindergarten. Sentence2: I began to substitute teach at her school if a teacher was sick. Sentence3: This led me to take a bunch of classes on special education. Sentence4: I began to teach special education.
Example Output:
3, I became very interested in why some kids have a harder time learning.