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: Rita burns the beans. Sentence 1: Rita is cooking. Sentence 2: Rita gets company while cooking. Sentence 3: She loses track of the time. Sentence 4: She let the beans burn on the stove. Choices: a. In the end he had to spend a bunch of money to fix his own mistakes. b. She went to turn off the beans and threw them away.
Example Output: a

Example Input: Title: Horse Show. Sentence 1: Abbie entered her horse Captain in the County Fair show. Sentence 2: She dressed Captain up to look like a princess horse. Sentence 3: She walked Captain around the arena to be judged. Sentence 4: Abbie tripped over some rocks and fell in the mud. Choices: a. I was so happy that I learned how to eat pasta. b. Abbie was so embarrassed and left the fair.
Example Output:
a