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: Ned was hiking in the woods when he saw a  lump of fur under a tree. Sentence2: The lump started to move, then emitted little cries. Sentence3: Ned moved closer and saw that it was a bunch of tiny baby possums. Sentence4: He called the local wildlife rescue and reported the baby possums.
5, He waited until wildlife rescue arrived to save the baby possums.