Given the task definition and input, reply with output. 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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Title: Cleanup. Sentence 1: Anna was caught during a silly teenage prank, and arrested. Sentence 2: She was sentenced to 20 hours of community service in a poor area. Sentence 3: As she picked up trash and washed buildings, she reflected. Sentence 4: In the end, Anna felt she'd learned a lot from her service hours. Choices: a. In a way, she was actually glad she had been caught and made to work! b. He had to replace the freezer.
b