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.

Input: Consider Input: Title: Scaffolding. Sentence 1: The painter climbed the scaffolding. Sentence 2: He started painting the side of the building. Sentence 3: The scaffolding felt wobbly. Sentence 4: The painter climbed down. Choices: a. He found that some of the joints were loose. b. Lee and his dog froze to death on a particularly cold night.

Output: a

Input: Consider Input: Title: First Day. Sentence 1: Jacob was nervous for his first day of high school. Sentence 2: He wasn't sure where all of his classes were located. Sentence 3: Jacob had to ask some friends for help finding some classrooms. Sentence 4: He then found all of his classrooms and even made it to class on time. Choices: a. Jacob was happy with his first day of high school. b. He was so popular that he soon had enough work to sustain him.

Output: a

Input: Consider Input: Title: Intervention. Sentence 1: Joanna drank a little too much. Sentence 2: So when her family planned an intervention, she wasn't surprised. Sentence 3: She sat on the sofa and listened to everyone. Sentence 4: She promised she would look in it when they all left. Choices: a. And as soon as the door was closed, she opened a bottle of wine. b. He had to have it rebuilt.
Output: a