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: Weird Channel. Sentence 1: Jenny's son was navigating through the television. Sentence 2: He ran across several channels. Sentence 3: The last channel he went on had pornography. Sentence 4: Jenny saw this channel and quickly changed it. Choices: a. Clay's eight second ride began. b. She yelled at her son.

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: Microphone. Sentence 1: Tom wanted to call his friend using skype. Sentence 2: Tom tried to make the call. Sentence 3: Tom's friend could not hear Tom. Sentence 4: Tom's microphone was broken. Choices: a. Tom bought a new microphone and called his friend back. b. Until a few weeks later, where he had his own home brewed beer!

Ex Output:
a