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.

Ex Input:
Sentence1: Sammy's coffee grinder was broken. Sentence2: He needed something to crush up his coffee beans. Sentence3: He tried crushing them with a hammer. Sentence4: It worked for Sammy.

Ex Output:
3, He put his coffee beans in a plastic bag.

Ex Input:
Sentence1: Sean came over today. Sentence2: Sam, Sean, and I played games. Sentence3: They said I couldn't play anymore until I got better. Sentence4: I was really hurt.

Ex Output:
3, They started to get mad at me about how bad I was.

Ex Input:
Sentence1: In 1997 I rode on an old bus. Sentence2: I rode on the bus as it went all over suburban Boston. Sentence3: I took plenty of photos. Sentence4: I had a great time!

Ex Output:
2, A local group rented a 1957 transit bus, painted in old colors.