TASK DEFINITION: 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.
PROBLEM: Sentence1: Michelle found a fat tuxedo cat outside her house. Sentence2: She put up posters all over her neighborhood. Sentence3: After three weeks, no one had called Michelle about the cat. Sentence4: Michelle decided to keep the cat for herself.

SOLUTION: 5, Michelle named the cat, "Socks."

PROBLEM: Sentence1: Alice was getting married in a few weeks. Sentence2: One night, her mother called and she forgot to call her back. Sentence3: She threatened not to come to the wedding. Sentence4: Alice called her mother and apologized profusely.

SOLUTION: 3, Her mother left an angry message on her phone.

PROBLEM: Sentence1: Joan kept waking up from her roommate playing music. Sentence2: Her roommate promised to be more considerate. Sentence3: Her roommate began wearing headphones. Sentence4: Joan was thankful that her roommate was so caring.

SOLUTION:
2, She complained that she had trouble sleeping.