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: Ethan loved to make Youtube videos. Sentence2: However, he was too embarrassed to upload any videos. Sentence3: One day he gained the courage to upload one. Sentence4: Soon he had one hundred views!

Ex Output:
5, Now, Ethan wanted to make and upload even more Youtube videos.

Ex Input:
Sentence1: Lauren has always wanted to wear skinny jeans to parties. Sentence2: However, she needs to lose weight so the skinny jeans will look good. Sentence3: Finally she has lost enough weight to wear skinny jeans. Sentence4: She wore them proudly to the next party.

Ex Output:
3, Lauren begins a challenging exercise regimen.

Ex Input:
Sentence1: He watched in anger from outside the window. Sentence2: He burst through the door and was atop them in moments. Sentence3: The other man struggled but he was too weak to prevent his own demise. Sentence4: His cheating wife called the police and he was arrested.

Ex Output:
2, The lovers were oblivious to his presence.