Given the task definition and input, reply with output. 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.

Sentence1: A bar owner put out a large banner to advertise his bar. Sentence2: The wind was strong and blew the banner away. Sentence3: The owner chased his banned across town. Sentence4: The old woman refused to give back the banner.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
4, It landed in the backyard of an old woman.