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: Helper. Sentence 1: Anna's teacher picked her as class helper. Sentence 2: She was happy at first. Sentence 3: But the rest of the class called her a teacher's pet. Sentence 4: They picked on her until she was miserable. Choices: a. She reluctantly agreed to do so. b. Anna asked the teacher to pick another helper!
[EX A]: b

[EX Q]: 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 A]: a

[EX Q]: Title: The Security. Sentence 1: Phil got a job with his brother. Sentence 2: His brother was a supervisor at a security firm. Sentence 3: Phil worked nights with a team of five other security officers. Sentence 4: One night the alarm in the building went off. Choices: a. The team looked everywhere but only found broken glass. b. The computer tech helped Barry fix the computer error.
[EX A]:
a