Q: 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.
Title: Free Vacation. Sentence 1: Tim joined a raffle at work. Sentence 2: The grand prize was a free vacation. Sentence 3: Tim actually won. Sentence 4: He and his wife got to go to the tropics. Choices: a. They both had a great time there. b. He got a poor grade.
A:
a