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: Joanie got ready to blow dry her hair for a date. Sentence2: Then, Joanie heard a familiar sound coming from outside. Sentence3: She saw her brother using the blow dryer. Sentence4: Joanie ran outside to confront her brother.

SOLUTION: 2, She was upset to find her blow dryer missing.

PROBLEM: Sentence1: He was sad and felt defeated. Sentence2: But, he decided to enroll in chemotherapy and fight the disease. Sentence3: He struggled for two years to overcome cancer. Sentence4: John eventually beat the cancer.

SOLUTION: 1, John was diagnosed with bone cancer.

PROBLEM: Sentence1: They paid for their tickets and got into their swimsuits. Sentence2: They waited in line for the biggest slide. Sentence3: They went down the slide and had a lot of fun. Sentence4: They went back the next day.

SOLUTION:
1, Sarah went with her friends to the water park.