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.

Example Input: Title: Forgetful Fred. Sentence 1: Fred had been working all day and really needed a snack. Sentence 2: He kept telling himself to eat but he would forget and keep working. Sentence 3: Fred's computer died while he was in the middle of a big project. Sentence 4: He decided to make himself a sandwich but his computer turned back on. Choices: a. Fred raced back to his computer but he left his sandwich behind. b. After he ate, he begun to scratch his body.
Example Output: b

Example Input: Title: Controller. Sentence 1: Tom was playing his Xbox and out of frustration threw his control. Sentence 2: It broke on his wall. Sentence 3: Tom needed a new one so he went to gamestop and bought a new one. Sentence 4: Tom went home and started playing Xbox again. Choices: a. They were delicious. b. Tom learned to control his frustration.
Example Output: a

Example Input: Title: Lazy Workers. Sentence 1: The workers had been fixing the building's dock for months. Sentence 2: Sally couldn't understand what was taking so long. Sentence 3: Everyday after work she checked the work they had done. Sentence 4: Frustrated she decided to come home early and surprise them. Choices: a. She found them on the dock fishing. b. The helmet fell onto John's head causing the whole class to laugh.
Example Output:
b