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: Merry Go Round. Sentence 1: Sally could not decide between the white horse and pink bunny. Sentence 2: Choosing the right animal on the merry go round was serious business. Sentence 3: She finally decided on the pink bunny. Sentence 4: Her grandmother realized she wanted to ride the horse as much. Choices: a. They took lots of pictures of the animals. b. So she got her a ticket for a second ride.

Answer: b

Question: Title: Bustin. Sentence 1: May Larker was a paranormal investigator. Sentence 2: She once claimed to have seen a ghost. Sentence 3: People didn't believe her. Sentence 4: May spent her life trying to prove that ghosts were real. Choices: a. I stumbled upon a huge secret field where we could play in peace. b. When May finally passed, she didn't left nothing but a corpse.

Answer: b

Question: Title: Broken Air Conditioner. Sentence 1: Emma's air conditioner quit working on a hot June day. Sentence 2: She called a repairman. Sentence 3: The repairman came to Emma's house. Sentence 4: The repairman fixed the air conditioner. Choices: a. They stayed up until after midnight laughing at funny videos online. b. Emma was able to cool the house back to a comfortable temperature.

Answer:
b