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.
Problem:Sentence1: So when she dropped the phone she knew it was trouble. Sentence2: The teacher held the phone and stared at her. Sentence3: Gina pretended it wasn't her phone. Sentence4: Gina's teacher wasn't fooled at all and gave her more detention.
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
1, Gina was not supposed to use her phone in detention.