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: Candy woke up excited because it was her birthday. Sentence2: But the whole day went by and no one gave her any gifts. Sentence3: She began to feel depressed and thought everyone had forgotten. Sentence4: She didn't want to binge eat out of depression.

SOLUTION: 4, Later, she got hungry and headed for the kitchen, but stopped.

PROBLEM: Sentence1: And he saw a little girl holding a balloon. Sentence2: As he was leaving the park, he saw the same balloon stuck in a tree. Sentence3: He climbed the tree to retrieve the balloon. Sentence4: Ryan then found the girl and gave her the balloon she lost.

SOLUTION: 1, Ryan was at a park.

PROBLEM: Sentence1: One year, Matt was training for a half marathon. Sentence2: Near the time of the race, he slipped on a run and damaged his knee. Sentence3: As soon as he could, Matt was back to training. Sentence4: His training paid off at a marathon later that year.

SOLUTION:
3, Matt missed the race and required an extensive rehab.