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: Larry's Nightmare. Sentence 1: Larry was traveling down an old road. Sentence 2: It was dark at night and in the middle of nowhere. Sentence 3: His gas gauge was almost on E. Sentence 4: He felt his car start to run out of gas. Choices: a. Larry ran out of gas in the middle of nowhere! b. But I still have a huge blind spot for fractions.
Example Output: a

Example Input: Title: A Lesson to the Cat. Sentence 1: Emilia loved cooking, and used to cook for her family on occasions. Sentence 2: Once, while cooking, she went onto attend a call. Sentence 3: When she came back, she found that her cat had eaten the dough. Sentence 4: She gently asked her cat not do so, and next time, her cat helped her. Choices: a. It shocked Catherine and knocked her down a peg. b. She taught her cat a lesson, peacefully and without using violence.
Example Output: b

Example Input: Title: The Kids at the Park. Sentence 1: Tammy was at the park. Sentence 2: She was watching her kids play. Sentence 3: Tammy decided it was time to leave. Sentence 4: She called her kids to the car. Choices: a. The kids cried to stay and play. b. David tells them they have the wrong guy but they don't believe him.
Example Output:
a