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: Recital. Sentence 1: Will's daughter Ella had a ballet recital coming up. Sentence 2: Ella was extremely nervous about the recital. Sentence 3: Will encouraged her to practice every single day. Sentence 4: Ella worked very hard and learned more technique. Choices: a. Nobody noticed the difference. b. Ella danced beautifully at the recital!

Ex Output:
b

Ex Input:
Title: Social Media Accounts. Sentence 1: Tiffany managed the social media accounts for a large business. Sentence 2: The business did all of its sales online. Sentence 3: As such its social media presence was vital. Sentence 4: One day Tiffany accidentally insulted a minor internet celebrity. Choices: a. The ensuing wave of troll fans eclipsed the company's accounts. b. It took them 12 hours to reach their other car.

Ex Output:
a

Ex Input:
Title: Lost Chance. Sentence 1: Gabriel wanted to get a new ferret. Sentence 2: His father wanted his to take care of it. Sentence 3: His father got the ferret for him. Sentence 4: Gabriel did not take care of it. Choices: a. We made travel plans together. b. His father got rid of the ferret.

Ex Output:
b