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: The Copier. Sentence 1: Jim worked in an office. Sentence 2: He walked to the copier to make a copy. Sentence 3: It was jammed. Sentence 4: Jim stuck his hand inside the machine. Choices: a. He heard a noise, and it chopped his hand clean off. b. They had put on fins on their heads to keep the surfers away.
b