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: Healthy Breakfast. Sentence 1: John felt lethargic and out of it throughout the day. Sentence 2: His doctor said it was due to his poor breakfast eating habits. Sentence 3: John decided to eat a healthier breakfast. Sentence 4: After only a few days John noticed a big difference. Choices: a. He kept eating properly for as long as he could. b. It wasn't long before he had a terrible stomachache.

Output: a

Input: Consider Input: Title: A Night Out. Sentence 1: Jane and her husband never had any free time. Sentence 2: They worked and raised three kids. Sentence 3: One night the oldest kid offered to babysit. Sentence 4: Jane and her husband were able to go out and have fun. Choices: a. Liz decided to quit the following week. b. They greatly enjoyed their night out.

Output: b

Input: Consider Input: Title: The Fog. Sentence 1: The weather was cold and dreary. Sentence 2: The fog moved in to the bay. Sentence 3: The couple watched the fog envelope the bridge. Sentence 4: Soon, they couldn't see anything below them. Choices: a. The fog had made a beautiful scene. b. Everyone enjoyed his party.
Output: a