Detailed Instructions: 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.
Q: Title: Box. Sentence 1: Bob needed a box to put the parts of his bookcase in. Sentence 2: He'd thrown out the original box when he'd bought it, years ago. Sentence 3: Bob had just bought a dolly to help him move. Sentence 4: He looked at the box it came in and thought it would be perfect. Choices: a. Bob successfully packed the bookcase parts into the dolly box. b. Finally it was game time and The South Team Won the best Game in History.
A:
a