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: He dominated the first four rounds. Sentence2: He got hit with a left hook that cut his eye in the fifth. Sentence3: The last seven rounds were a back and forth affair. Sentence4: Joe eventually won the fight.
1, Joe felt confident going into his boxing match.