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: Laura Shaves Her Head. Sentence 1: Laura decided that she wanted to have a new bold look. Sentence 2: She thought about cutting her hair really short. Sentence 3: Her friends and coworkers discouraged her. Sentence 4: However, she decided to shave all of her hair off. Choices: a. Laura was very pleased with her new look. b. She told him to get out of their house.

Output: a

Input: Consider Input: Title: Lost Dog. Sentence 1: Karyn's kids came home with a dog. Sentence 2: She told them they couldn't keep the dog. Sentence 3: They decided to see if anyone on social media recognized the dog. Sentence 4: The dog's owner saw the notice on social media. Choices: a. They were excited to become good guitar players. b. The dog's owner picked up the lost dog.

Output: b

Input: Consider Input: Title: Birthday. Sentence 1: Jen was having a birthday party. Sentence 2: Her mother brought out her birthday cake. Sentence 3: Her mother lit the candles and then Jen blew them out. Sentence 4: Her friend pushed her face into the cake. Choices: a. The ice cream store was closed and it was a wasted trip. b. Jen was not mad and laughed about it for months.
Output: b