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: A young girl named Taylor had always wanted a pet. Sentence2: They both entered the store and looked around. Sentence3: Taylor had a hard time deciding which animal to adopt. Sentence4: Taylor finally decided on the cute little kitten in the corner.

SOLUTION: 2, One day her mother surprised her with a trip to the pet store.

PROBLEM: Sentence1: Sam drove around with his high beams on. Sentence2: One of his headlights was out and he thought it was safer. Sentence3: He was pulled over last night. Sentence4: The cop gave him a ticket and told him to fix it.

SOLUTION: 5, Sam was unhappy.

PROBLEM: Sentence1: I found a $600 dollar envelope in the mail today. Sentence2: However, it belonged to my neighbor. Sentence3: They thanked me for being selfless. Sentence4: I am honest.

SOLUTION:
3, I decided to give them the mail instead of keeping it.