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: Mr Wongs. Sentence 1: Adam always ordered Chinese food on Friday. Sentence 2: His favorite restaurant Chao Pao was closed for some reason. Sentence 3: He settled with a place call Mr Wong's instead. Sentence 4: He was worried after he couldn't understand the person on the phone. Choices: a. Adam, the vegetarian, ended up with fried duck for dinner. b. Richard quickly realized his dream job doesn't pay well.
Example Output: b

Example Input: Title: fired. Sentence 1: Carla was let go from her old job. Sentence 2: She was devastated but kept her head up. Sentence 3: She immediately applied for other jobs. Sentence 4: After many failed applications she got a interview. Choices: a. Luckily she felt better within a few weeks of breaking up. b. After the interview she got the job.
Example Output: a

Example Input: Title: Lori Buys A Skirt. Sentence 1: Lori wants something nice to wear this Spring. Sentence 2: She decides to buy a new skirt. Sentence 3: Lori finds a great one that is within her price range. Sentence 4: It looks fantastic on her. Choices: a. Lori is happy she has something nice to wear this Spring. b. Dan finished the marathon!
Example Output:
b