Detailed 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.
Q: Sentence1: Pat has a math test coming up. Sentence2: He studies very hard for a week. Sentence3: Pat makes flashcards to read on the bus. Sentence4: Pat aces his test.
A:
5, Pat is happy.