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: Wrong Water. Sentence 1: Farrah was doing yoga when she woke up in the morning. Sentence 2: Her stomach started to cramp. Sentence 3: She told her husband that her water broke. Sentence 4: He was shocked for a moment but he took her to the hospital. Choices: a. Henry chose to quit and decided to look for another job. b. Her baby was released after being in labor for a few hours.
[A]: b

[Q]: Title: Koala. Sentence 1: Ky wanted a koala for a pet. Sentence 2: She begged her parents incessantly. Sentence 3: But they had to tell her that koalas made bad pets! Sentence 4: Ky was sad, but finally she understood. Choices: a. Soon she decided on a dog instead! b. Evan was fully dressed.
[A]: a

[Q]: Title: Reading. Sentence 1: Olli was participating in his school's reading competition. Sentence 2: He kept a reading log of his time spent with books. Sentence 3: Olli was then awarded book pins for every ten minutes. Sentence 4: Olli had soon amassed an enormous number of pins. Choices: a. In truth, Olli had been inflating his numbers throughout the contest. b. They had a really great day and couldn't wait to go back again!
[A]:
a