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: Pinball Machine. Sentence 1: Sam was at the local bar. Sentence 2: They had a pinball machine. Sentence 3: He loved playing those. Sentence 4: Sam got quarters and started to play. Choices: a. In the car, the cousins happily planned the week's activities. b. He was so good a small crowd started to gather around him.
[A]: b

[Q]: Title: Leaking ceiling. Sentence 1: Susy had a very large house. Sentence 2: Last week it snowed very badly. Sentence 3: She thought she got rid of all of the snow. Sentence 4: But unfortunately the roof leaked. Choices: a. So Susy had to call someone. b. They still preferred their own favorites, but their minds were opened!
[A]: a

[Q]: Title: Cleaning Day. Sentence 1: Chrissy used to hate cleaning day, but that changed on Saturday. Sentence 2: She started the day washing dishes and dusting. Sentence 3: Then, she began to clean out old boxes in her attic. Sentence 4: When she opened a box of books, a $100 bill fell out! Choices: a. Now, she is looking forward to cleaning more on next Saturday. b. We got in the car to look for him, as he came around the corner.
[A]:
a