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: Simple Mistake. Sentence 1: A thief stole some candy and ran out of the store. Sentence 2: A police officer noticed him and decided to chase the guy. Sentence 3: Once the officer caught him, he was sent to prison. Sentence 4: However, he was released on the next day. Choices: a. The officer forgot to read the Miranda rights to the thief. b. Before going to bed, I had to take allergy tablets.
A:
a