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.

[EX 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!
[EX A]: a

[EX Q]: Title: A Change. Sentence 1: Bob's car broke down in the middle of the road. Sentence 2: As he stood there waiting for help, he had an epiphany. Sentence 3: His car had brought him nothing but trouble and pain. Sentence 4: As soon as it ran, Bob took it into a lot and sold it. Choices: a. He bought a motorcycle and is happier than he ever was with his car. b. I took him home and we became best friends.
[EX A]: a

[EX Q]: Title: Christmas Still. Sentence 1: Little Danny was worried about Christmas last year. Sentence 2: He knew his daddy had lost his job. Sentence 3: Danny hoped and hoped his family could still have a Christmas. Sentence 4: On Christmas Eve, Danny heard interesting noises from downstairs. Choices: a. Mark stole the document and escaped easily. b. On Christmas morning, Danny awoke to presents and hot chocolate!
[EX A]:
b