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'.

Input: Consider Input: Sentence 1: Sara had a physics exam coming up. Sentence 2: Sara is always nervous about science and math testing. Sentence 3: Sara studied and studied all the physics material. Sentence 4: Sara made sure to get a good night's sleep before the day of the exam. Sentence 5: Sara nailed the physics exam! Choices: a. Exam. b. Zombie Dusk.

Output: a

Input: Consider Input: Sentence 1: Tom was not successfully reaching his goals, regularly. Sentence 2: He wanted to reach his goals. Sentence 3: He decided to engage in dreamlining. Sentence 4: Tom would write out his dreams, and each step necessary to reach them. Sentence 5: Tom followed each step and began reaching his goals consistently. Choices: a. Dreamlining. b. Shark Cage.

Output: a

Input: Consider Input: Sentence 1: Janet hated her job. Sentence 2: Her boss treated her badly and she didn't get paid enough. Sentence 3: She had been looking for other work. Sentence 4: When she finally got another job she quit. Sentence 5: She told her boss what was on her mind and walked out. Choices: a. Cook Out. b. How to Quit.
Output: b