Detailed Instructions: 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.
Q: Sentence1: Chase really wanted a new toy. Sentence2: She advised he save his allowance. Sentence3: He saved his allowance. Sentence4: Chase bought himself a new toy.
A:
2, His mom would not purchase a new toy for him.