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.

Let me give you an example: Sentence1: Rick grew up in a troubled household. Sentence2: He never found good support in family, and turned to gangs. Sentence3: It wasn't long before Rick got shot in a robbery. Sentence4: He is happy now.
The answer to this example can be: 4, The incident caused him to turn a new leaf.
Here is why: As mentioned in fourth sentence, he is happy now; so, the incident turned a new leaf to Rick's life.

OK. solve this:
Sentence1: Ellie had a lot of homework to do. Sentence2: After she had finished that, she wrote a book report. Sentence3: The last assignment was a study guide, which took her ten minutes. Sentence4: Ellie was felt prepared for her schooling.
Answer:
2, She started with her math homework.