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: Murder Mystery. Sentence 1: We went to a dinner and show one night. Sentence 2: There was a murder mystery on stage. Sentence 3: Someone was killed, and we had to solve the murder. Sentence 4: It was very entertaining. Choices: a. He is getting extra exercise. b. My son guessed the murderer correctly, and our meal was free.
[EX A]: b

[EX Q]: Title: Skating away. Sentence 1: Lucy wanted to skate. Sentence 2: She hadn't done it before. Sentence 3: She decided to take lessons. Sentence 4: On her first lesson she fell. Choices: a. It would be away until she got good. b. Andrew is very happy that he decided to join the cross-country team.
[EX A]: a

[EX Q]: Title: Martin's Family. Sentence 1: Martin wants to be a father. Sentence 2: He discusses starting a family with his fiancee. Sentence 3: They decide to start trying for a baby immediately. Sentence 4: A few weeks after their wedding, Martin's new wife shares the news. Choices: a. Martin and his wife are expecting a baby. b. Kurt wins the award and is very proud.
[EX A]:
a