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: Harry went to the theme park with his family. Sentence2: He then rode on some smaller rides with his mom. Sentence3: The family ate at a restaurant at the park. Sentence4: Harry had a great time at the park.

Ex Output:
2, His dad and brother rode on a big roller coaster with him.

Ex Input:
Sentence1: Ana had just had a baby girl. Sentence2: She wanted her girl to have pierced ears. Sentence3: She took her baby to the studio and had her ears pierced. Sentence4: Ana loved the earrings.

Ex Output:
4, Then she fastened tiny diamond studs into the piercings.

Ex Input:
Sentence1: Noah was playing in his treehouse. Sentence2: He decided to come down for the day. Sentence3: But then he saw that his ladder had fallen and lay on the ground! Sentence4: Noah had no way to get down from the treehouse!

Ex Output:
5, He yelled for his dad.