Instructions: In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.
Input: Title: The Snapped String. Sentence 1: Carmen was trying her hand at guitar finger picking. Sentence 2: She pulled on one string just a bit too hard. Sentence 3: The string snapped, ruining the entire thing. Sentence 4: She didn't know how to fix it but her dad did. Choices: a. They were just lucky they didn't get pulled in. b. Luckily he fixed it for promptly.
Output:
b