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: Fred loved the amusement park but he never rode a roller coaster. Sentence2: His friends teased him that he was afraid of heights. Sentence3: One day at the amusement park he decided to face his fears. Sentence4: Fred rode the fastest and scariest roller coaster at the park!

SOLUTION: 5, He was so happy that he did and loved the park even more.

PROBLEM: Sentence1: My friend Sharon was nervous yesterday. Sentence2: Although she has a good pension, she was still nervous. Sentence3: I helped her rewrite her resume, preparing for a job search. Sentence4: Sharon is now looking forward to a new chapter in her life.

SOLUTION: 2, She found out her company wanted her to retire.

PROBLEM: Sentence1: Jasper notices that he has begun to develop dandruff in his hair. Sentence2: Jasper decides to buy a special anti-dandruff shampoo. Sentence3: Finally he notices that the dandruff is going away. Sentence4: Jasper is happy.

SOLUTION:
2, He feels very embarrassed about this.