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: 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: Monster. Sentence 1: Kia submitted a picture of Bigfoot to her school newspaper. Sentence 2: Her school published it and accredited her the photographer. Sentence 3: A lot of people asked Kia about it. Sentence 4: In the end, she was forced to admit the truth. Choices: a. It was just her baby brother wearing a costume! b. Tommy's brother found him.

Ex Output:
a

Ex Input:
Title: Pom Poms. Sentence 1: Katie wanted to make the pom pom team. Sentence 2: She practiced day and night. Sentence 3: At the audition, she dropped the pom poms seven times. Sentence 4: The judges laughed at her. Choices: a. We love a turtle neighbor, but will be more careful next time! b. She knew she hadn't made the team.

Ex Output:
b