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.

Input: Consider Input: Title: Plastic bags. Sentence 1: A law had gone into effect that banned plastic bags in Dylan's city. Sentence 2: Dylan needed to bring a bag when shopping or purchase a paper one. Sentence 3: Dylan decided to bring his own reusable bag. Sentence 4: He thought it was a hassle but fun to have his own bag from home. Choices: a. Sue looked fabulous for the dance. b. Dylan got used to bringing a bag eventually.

Output: b

Input: Consider Input: Title: Bustin. Sentence 1: May Larker was a paranormal investigator. Sentence 2: She once claimed to have seen a ghost. Sentence 3: People didn't believe her. Sentence 4: May spent her life trying to prove that ghosts were real. Choices: a. I stumbled upon a huge secret field where we could play in peace. b. When May finally passed, she didn't left nothing but a corpse.

Output: b

Input: Consider Input: Title: An Unexpected Promotion. Sentence 1: Stan worked at a mechanic shop. Sentence 2: One day he saw Tony taking home tools. Sentence 3: Stan told his boss about Tony. Sentence 4: The boss fired Tony for stealing property from the shop. Choices: a. Stan got Tony's position. b. Then they had BBQ and talked about their summers before going home.
Output: a