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: Scream. Sentence 1: The coach screamed at the team. Sentence 2: That made the team feel bad. Sentence 3: The team didn't play with enough heart. Sentence 4: They lost the game. Choices: a. The coach was eventually replaced. b. Black began to look for apartments in the new city.
Example Output: b

Example Input: Title: Books. Sentence 1: The kids loved reading. Sentence 2: They bought a big stack of books. Sentence 3: They read each one before the end of the week. Sentence 4: They wanted more! Choices: a. Beth was proud of the work she'd done. b. Their mom took them to the library to get more things to read.
Example Output: a

Example Input: Title: Andy the Actor. Sentence 1: Andy had a play today. Sentence 2: He was playing as Romeo. Sentence 3: When he began to play the part, he forgot his line. Sentence 4: The crowd booed at him for his mistake. Choices: a. The doctor gave him allergy medicine. b. He ran off the stage in embarrassment and never acted again.
Example Output:
a