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.
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Question: Title: Blank Keycaps. Sentence 1: I purchased a high-end mechanical keyboard. Sentence 2: I thought it would be good for writing and for gaming. Sentence 3: I also ordered a nice set of blank keycaps for the board. Sentence 4: The caps made it difficult for me to type on the board. Choices: a. I ended up putting back on the stock caps, and loving the board. b. They stood up and left.

Answer: a

Question: Title: Gonna Fly Away. Sentence 1: Bob decided to fly out to North Dakota to look at houses. Sentence 2: He booked a flight on an airline he'd never flown with before. Sentence 3: After a long delay the plane finally took off. Sentence 4: Bob was distracted thinking about houses and didn't notice the smoke. Choices: a. Soon Cora was feeling better. b. The plane's engines caught on fire and it crashed, killing everyone.

Answer: b

Question: Title: The Grey Sweater. Sentence 1: Devin wore her grey sweater all the time. Sentence 2: One day she went home from school on the bus. Sentence 3: Devin realized she didn't have her sweater when she got off. Sentence 4: She was very disappointed with herself. Choices: a. The next day she got on the bus but the sweater was gone. b. Instead of getting mad his father only laughed about it.

Answer:
a