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: I woke up to prepare for my first day of school. Sentence 2: When I got on campus, this girl greeted me. Sentence 3: She introduced herself and commented on my looks. Sentence 4: We had a small conversation and exchanged numbers. Sentence 5: In addition, she asked me out the next day. Choices: a. Straight Out of the Oven. b. Plot Twist.
Example Output: b

Example Input: Sentence 1: Annie was supposed to mail the check for the power bill. Sentence 2: She forgot, so the power was shut off. Sentence 3: She told her boss that she'd given it to Tom. Sentence 4: She made a fake entry on her calendar saying she'd done it. Sentence 5: Tom got a stern lecture from his boss. Choices: a. The Coverup. b. John Attends Class.
Example Output: a

Example Input: Sentence 1: Adam lost his key one the walk home from school. Sentence 2: He was unhappy with his carelessness. Sentence 3: But making the same walk the next day, he spotted it! Sentence 4: It was laying on the sidewalk in plain view! Sentence 5: Adam was so glad he had found the key. Choices: a. Police Chase. b. Key.
Example Output:
b