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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Example Input: Title: Crept. Sentence 1: Steve crept up to a running car. Sentence 2: A girl was sitting inside. Sentence 3: He banged loudly on her window. Sentence 4: The girl panicked. Choices: a. She drove the car into a pole. b. Penny would go on to become an international fashion designer.
Example Output: a

Example Input: Title: Three tries. Sentence 1: Renata swung the baseball bat missing the ball by an inch. Sentence 2: She tried again on her second attempt without more luck. Sentence 3: The third time though she hit the ball. Sentence 4: Surprised, she froze at first before rushing to first base. Choices: a. When the next player hit a home run, she run to the home base. b. Dan never saw his brand new bicycle again.
Example Output: a

Example Input: Title: Moving Day. Sentence 1: The day had finally come. Sentence 2: Cleo and her roommate were moving out. Sentence 3: The old place would be missed, but it was time to go. Sentence 4: They loaded up the truck and off they went. Choices: a. It was bittersweet moving for Cleo and her roommate. b. His mother thanked him by cooking a full meal.
Example Output:
a