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: Know your boundaries. Sentence 1: James had a huge fear of heights. Sentence 2: He would not ever close to the edge of tall buildings. Sentence 3: Once, he had a panic attack when using a glass elevator. Sentence 4: They had to call the medic to help him calm down. Choices: a. Now, James uses the stairs every time. b. He worries what his girlfriend will think if he's outgoing.
[A]: a

[Q]: Title: Spider Spray. Sentence 1: Nate was trying to clean out some cabinets. Sentence 2: He noticed a huge spider in the corner. Sentence 3: He decided to spray the whole cabinet with bug spray. Sentence 4: After waiting a moment, he hoped all of the bugs were dead. Choices: a. He was finally able to clean the cabinet in peace. b. All night long they watched the streaks of light shoot across the sky.
[A]: a

[Q]: Title: Sidewalk Crack. Sentence 1: Kelly was running down the street. Sentence 2: She tripped over a crack in the sidewalk and fell. Sentence 3: She broke her leg. Sentence 4: Her mom sued the city for the faulty sidewalk. Choices: a. She agreed and Jake was extremely happy. b. The city association covered all of Kelly's medical bills.
[A]:
b