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 went to his doctor to get a checkup. Sentence2: His doctor told him that his cholesterol levels were a little bit high. Sentence3: Thomas started eating healthier and going on walks. Sentence4: His doctor was very pleased at his next checkup.
Example Output: 1, Thomas had been feeling under the radar lately.

Example Input: Sentence1: Brandon woke up this morning with his tooth missing. Sentence2: All excited he ran into his parents room. Sentence3: He ran back to his room to put his tooth under his pillow. Sentence4: Brandon checked the next day and found 50 cents under his pillow.
Example Output: 3, Brandon jumped up and down on their bed.

Example Input: Sentence1: Billy's friends thought that he was a scaredy cat. Sentence2: They dared him to go into the haunted house. Sentence3: Despite how scared he was he stayed the entire night. Sentence4: Billy felt brave.
Example Output:
3, He decided to go in and even stay the night there.