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.
--------
Question: Sentence1: Ava needed to go shopping with her two-year old. Sentence2: But she couldn't find his shoes even after looking everywhere! Sentence3: She carried him into the store in order to select a new pair. Sentence4: Ava took good care of her son.

Answer: 3, She decided she had no choice but to buy him new shoes.

Question: Sentence1: When I was sixteen I learned to drive. Sentence2: The first time I got into the car I lost track of the brake pedal. Sentence3: I didn't know how to stop! Sentence4: After that mistake, I became much more cautious.

Answer: 4, My dad had to turn on the emergency brake.

Question: Sentence1: Victor has always prided himself on trying new foods. Sentence2: However, he has never eaten a pistachio. Sentence3: One day he buys a jar of pistachios to eat at home. Sentence4: Victor decides to start buying pistachios regularly.

Answer:
4, He loves how they taste.