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: Stuck in the Mud. Sentence 1: Tyler was riding his four wheeler. Sentence 2: He was on a trail behind his house. Sentence 3: The four wheeler got stuck in the mud. Sentence 4: Tyler walked back to his house. Choices: a. When the jury found Phil not guilty, Doug wasn't sure it was true. b. He asked his dad to help him out.
Example Output: a

Example Input: Title: New Jeans. Sentence 1: Kate needed new jeans for school. Sentence 2: She hated going shopping. Sentence 3: Her mom finally convinced her to go. Sentence 4: They got to the mall and Kate found the perfect jeans. Choices: a. She was excited to wear them to school. b. It fell and wasps came out sending Pamela in screams to the kitchen.
Example Output: b

Example Input: Title: Thomas' cats. Sentence 1: Thomas didn't really like to work. Sentence 2: He never understood why people waste their whole lives working. Sentence 3: After leaving school, Thomas found something he loved to work for. Sentence 4: He opened up a cattery and got paid for spending all day with cats. Choices: a. Thomas loves his cats and his cattery. b. A week later, he received lady face products in the mail.
Example Output:
b