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.

Example Input: Title: Arden used all of his data plan. Sentence 1: Arden bought a new phone therefore he was unfamiliar with the plan. Sentence 2: He enjoyed using his new phone all the time when he first bought it. Sentence 3: Within two weeks he received a message that stated he used all data. Sentence 4: He was really disappointed that he couldn't get on the internet. Choices: a. He had no choice but to add more data to his plan, he can use it again. b. His parents were kind to gift him the game system that he wanted.
Example Output: a

Example Input: Title: Wrong Area to Clean. Sentence 1: The washing company came to the house. Sentence 2: I greeted them and showed them where to work. Sentence 3: They took out their tools and began cleaning. Sentence 4: One of the workers was using a pressure washer. Choices: a. Mary's dancing received a standing ovation at the recital! b. He accidentally broke a window with the tool.
Example Output: b

Example Input: Title: My brother Steel. Sentence 1: Steel was old and very unhealthy. Sentence 2: So I had him come live with me. Sentence 3: He drank wine every day and got worse. Sentence 4: Pretty soon Steel stayed at home all the time. Choices: a. A policeman stopped him and wrote him a ticket. b. Steel died about three years ago.
Example Output:
b