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: Don loved comic books. Sentence2: He consistently collected issues of his favorite stories. Sentence3: He decided that he wanted to start his own comic book company. Sentence4: He named it Don's Comics.

Ex Output:
3, As he grew older his love for comics grew.

Ex Input:
Sentence1: Anna was walking to school one morning. Sentence2: She entered the crosswalk on the main road. Sentence3: Anna was crushed and her leg was broken. Sentence4: Anna sued them but got nothing because they had no insurance.

Ex Output:
3, A car suddenly flew into it and struck her.

Ex Input:
Sentence1: Robbie was looking for help shoveling her car out of the snow. Sentence2: She posted on Facebook, hoping somebody would see. Sentence3: Cameron saw the post, and felt sympathy for Robbie and her car. Sentence4: Cameron came by and helped Robbie shovel.

Ex Output:
4, Since he had the day off work, Cameron said he could help.