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: Sam hopped into his mail truck and drove off. Sentence2: He was trying to do his route fast to get home early today. Sentence3: He drove so fast he didn't see a pothole in the road. Sentence4: The truck bounced hard when he hit the pothole.

SOLUTION: 5, Sam's head hit the steering wheel.

PROBLEM: Sentence1: Jaris wanted to pick some wildflowers for his vase. Sentence2: He went to the state park. Sentence3: He picked many kinds of flowers. Sentence4: Little did Jaris realize that it was a national park.

SOLUTION: 5, Jaris got in trouble and apologized profusely.

PROBLEM: Sentence1: Gina and her family were leaving the park. Sentence2: They had been there all afternoon. Sentence3: Now they were going to her aunt's house. Sentence4: Gina begged to be dropped off at her grandma's

SOLUTION:
5, Gina loved her grandma.