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.

[EX Q]: Title: Sunset Cruise. Sentence 1: Tim and his wife were excited. Sentence 2: They had hired a sailboat for the day and were going to sail. Sentence 3: They had timed it so they would be sailing with the setting sun. Sentence 4: Tim and his wife stood on the bow of the boat and looked on. Choices: a. The sunset was beautiful and they were happy. b. Jack was extremely disappointed.
[EX A]: a

[EX Q]: Title: Balloons. Sentence 1: Carl was an old man who sold balloons. Sentence 2: One day, he met a young boy named Russell. Sentence 3: Russell wanted a balloon but couldn't afford one. Sentence 4: Carl was in a charitable mood. Choices: a. Bill then realized it was Saturday. b. He gave Russell two balloons for free.
[EX A]: b

[EX Q]: Title: The Shark. Sentence 1: Paul loved going to the aquarium. Sentence 2: The sharks were his favorite. Sentence 3: They were so scary and menacing. Sentence 4: He waited until the keepers dropped fish in. Choices: a. He was having a lot of fun at the casino! b. The sharks ate the fish whole.
[EX A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
b

