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: All About a Boy. Sentence 1: Rachael and Kristy were best friends. Sentence 2: Rachael was dating a boy named Mark. Sentence 3: Mark broke up with Rachel for no reason. Sentence 4: The next week Mark and Kristy started dating. Choices: a. Impatient Agnes ended up waiting much longer than ten minutes. b. Rachael and Kristy are no longer best friends.
[A]: b

[Q]: Title: Accident. Sentence 1: The teacher began her lesson. Sentence 2: A student asked to use the restroom. Sentence 3: The teacher refused the request. Sentence 4: The student had an accident. Choices: a. The parents of the student sued the school. b. I didn't want to leave when it was time.
[A]: a

[Q]: Title: Eccentric aunt. Sentence 1: When Roger was a kid, he went to live with Aunt Minnie. Sentence 2: She was eccentric and let him do whatever he wanted. Sentence 3: One day he came home wearing a construction hat on his head. Sentence 4: She put on a cowboy hat. Choices: a. Instead of grounding him for stealing, she played with him. b. She had spent most of her wallet.
[A]:
a