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: Lucy had to get a tetanus shot. Sentence 2: She was shaking to the doctor. Sentence 3: When she got there they got the shot ready. Sentence 4: It was very painful. Sentence 5: Lucy began to cry. Choices: a. Painful tetanus shot. b. The Loud Noise.
Example Output: a

Example Input: Sentence 1: Evan had a new job. Sentence 2: He worked from home. Sentence 3: He tried to juggle his housework and his kids. Sentence 4: It was stressful but rewarding. Sentence 5: Evan was happy to have a job he liked. Choices: a. Isabel's Daddy Issues. b. Working.
Example Output: b

Example Input: Sentence 1: Joe thought America was the best country and hated all others! Sentence 2: Then his class did a unit on global governments and cultures. Sentence 3: Joe learned a lot. Sentence 4: He realized that he could love his country and still like others. Sentence 5: Joe learned a lot about respecting different cultures! Choices: a. Learning. b. Twins.
Example Output:
a