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: Hairless. Sentence 1: Cindy was obsessed with her hair. Sentence 2: And she used all sorts of hair products and dyes. Sentence 3: She was glad that her hair gave her so much attention. Sentence 4: But in her 40s, she noticed her hair started going away. Choices: a. She was devastated when she realized it were the products causing it. b. Patty ran back to the office to call the police.

Output: a

Input: Consider Input: Title: Large water slide. Sentence 1: Susie went to the local pool. Sentence 2: To her delight there was a water slide. Sentence 3: Susie was thrilled. Sentence 4: She went on it as she pleased. Choices: a. She soon became good enough to compete professionally. b. But she was yelled at because she did not alert the lifeguard.

Output: b

Input: Consider Input: Title: The Cat That Took Hunting Trips. Sentence 1: When I was a child, I had a cat that would leave for a month or two. Sentence 2: She went hunting and was gone a very long time. Sentence 3: I gave up once when she was gone for four months. Sentence 4: My mom and my sister thought they saw her a mile away coming home. Choices: a. She was so surprised and excited of what was to come. b. Later that day with much happiness she came home.
Output: b