Instructions: 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.
Input: Sentence1: Amy went to the grocery store after work. Sentence2: The store was out of half the items. Sentence3: Amy had to go to a second grocery store. Sentence4: After that she was able to go home and cook a good meal.
Output:
2, She had a short list of items to buy.