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: Hatchet. Sentence 1: The stranger walked into town with a hatchet on his belt. Sentence 2: He walked straight to the central bank. Sentence 3: The man said nothing as he walked to a teller. Sentence 4: The bank teller asked for his account information. Choices: a. She was two minutes overtime. b. The stranger slammed his hatchet on the table in response.
Example Output: a

Example Input: Title: Lemonade Stand. Sentence 1: When I was a child I lived in a neighborhood with many kids. Sentence 2: Every summer we would set up a Lemonade stand. Sentence 3: We would sale lemonade all day then split the money. Sentence 4: Then we would ride our bikes two miles down to the store. Choices: a. At the store we would use the money to buy candy and rent movies. b. I said DD was going upscale.
Example Output: b

Example Input: Title: Too Short. Sentence 1: Anna went for a haircut. Sentence 2: The stylist cut her hair too short! Sentence 3: Anna hated her new look. Sentence 4: But after a few days, she got used to it. Choices: a. One day he said it did. b. Anna decided her new haircut was okay after all.
Example Output:
a