In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Example Input: Sentence 1: Leo was a lion trainer for a traveling circus. Sentence 2: Many people thought his job was cool, but some people did not. Sentence 3: Some people even decided what he did for a living was wrong to lions. Sentence 4: A group of people petitioned for Leo's job to be erased. Sentence 5: However, the owner of the circus refused to fire Leo. Choices: a. Julian's Betrayal. b. Lions.
Example Output: b

Example Input: Sentence 1: Melody was a grandma and helped to raise her daughters kids. Sentence 2: One day Melody has a terrible headache. Sentence 3: The pain continued for days. Sentence 4: She went to the doctor and tests were ran. Sentence 5: They found that she had brain cancer. Choices: a. Headache. b. Photo.
Example Output: a

Example Input: Sentence 1: Kiva worked very hard on a clay project for art class. Sentence 2: It had taken weeks to get the piece to look just right. Sentence 3: She was very nervous about her teacher firing the piece. Sentence 4: What she saw in class next day was a cracked and broken remnant. Sentence 5: Kiva decided to incorporate its broken state into the art itself. Choices: a. The First Birthday. b. A Fiery End.
Example Output:
b