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: The Surgery. Sentence 1: Paula was 400 pounds over weight. Sentence 2: She was having surgery to help her lose weight. Sentence 3: In the first month, she planned on losing 50 pounds. Sentence 4: She couldn't wait to be healthy enough to go for a long walk. Choices: a. With some of his old clothes, Nick made his own Halloween costume. b. Paula was determined to follow all of the instructions she was given.

Ex Output:
b

Ex Input:
Title: Being Bold. Sentence 1: Stefan was a very introverted man. Sentence 2: He was bullied by his boss at work constantly. Sentence 3: One day he stood up for himself and told his boss off. Sentence 4: Stefan was called into the head office the next day and fired. Choices: a. There are no more moles in the backyard. b. He was sad but was proud for standing up for himself.

Ex Output:
b

Ex Input:
Title: Mini Golf. Sentence 1: Gladys invited Sarah to go mini golfing. Sentence 2: Sarah secretly hated mini golf, but agreed to go anyway. Sentence 3: While there, Sarah played terribly. Sentence 4: She became crabbier and crabbier with each passing hole. Choices: a. She decided that next time, she would simply decline the invitation. b. Later, Oscar's mom was angry to find her phone was wet and broken.

Ex Output:
a