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 Input:
Title: Access. Sentence 1: Terry was unemployed. Sentence 2: He applied to many jobs. Sentence 3: He received a callback for an interview. Sentence 4: They phoned him and told him he would be tested on Microsoft Access. Choices: a. Terry studied free tutorials online and was hired. b. She accidentally set the buy it now price as $15.

Ex Output:
a

Ex Input:
Title: Picking a Birthday Card. Sentence 1: Vanessa was shopping for birthday cards. Sentence 2: Nothing was quite right though. Sentence 3: She agonized over her choice, but nothing stood out. Sentence 4: Suddenly, she noticed a sparkly blue card tucked in a corner. Choices: a. Barb decided to run and grab a burger for lunch. b. She had found the perfect card for her sister!

Ex Output:
b

Ex Input:
Title: The Bed. Sentence 1: My parents went out one night and we had a babysitter. Sentence 2: She was nice, but not very strict. Sentence 3: My sisters were jumping on their bed and broke it. Sentence 4: They were terrified what my parents would do to them! Choices: a. I had them write a confession, and my parents let them live! b. My parents were a lot smarter than I thought they were!

Ex Output:
a