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.
Q: Title: The Broken Alarm. Sentence 1: Shaun was supposed to be waking up for work soon. Sentence 2: Suddenly he woke up and saw that he was late. Sentence 3: He rushed to get ready and ran out the door. Sentence 4: Later when he got home he checked on his alarm. Choices: a. It turned out that the machine had broken. b. At the top of a big drop, the ride broke down stranding the teens.
A:
a