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: Nila's mom was diagnosed with stage four cancer. Sentence2: Nila made sure to provide her mom with a good life until her death. Sentence3: Nila fostered many good memories with her mom and they were happy. Sentence4: Nila loved her mom.
2, Nila knew her mom did not have a long time to live.