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: Matt met Tammy at a nightclub. Sentence2: They talked on the phone every day. Sentence3: One day Tammy saw Matt with her friend Emma. Sentence4: Tammy felt jealous when she saw Matt and Emma together.

Ex Output:
2, Matt and Tammy exchanged numbers after the night.

Ex Input:
Sentence1: Gregory took a pottery class at a nearby night school. Sentence2: He was terrible at sculpture. Sentence3: He grew to like throwing pots on pottery wheels very much. Sentence4: He was very proud of his pots.

Ex Output:
4, Eventually he was making pots half as tall as he was.

Ex Input:
Sentence1: Amy walked home from volleyball practice alone. Sentence2: Amy felt like a loser just saying it out loud. Sentence3: Kim reminded her it was the first day, and she would improve. Sentence4: And throughout the season she kept getting better.

Ex Output:
2, She called and told her friend Kim she was the worst player.