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: Mary was running late. Sentence 2: She decided to take a shortcut to work. Sentence 3: She took a wrong turn on her route. Sentence 4: The wrong turn ended up being an even better route. Sentence 5: Marry got to work early. Choices: a. Late Start.. b. Bad Weather.
Example Output: a

Example Input: Sentence 1: Polly was worried when her husband Rex bought a motorcycle. Sentence 2: She argued with him about not riding at night or in heavy traffic. Sentence 3: Rex reassured her he'd be careful, but she was skeptical. Sentence 4: He convinced to go for a long ride on the bike that weekend. Sentence 5: On the ride, Polly saw how careful Rex was being and felt much better. Choices: a. The Computer. b. Motorcycle Safety.
Example Output: b

Example Input: Sentence 1: Albert was a lead singer in a band. Sentence 2: His band decided to try playing a new type of music. Sentence 3: The audience did not like the new music. Sentence 4: The crowd jeered and hissed during the songs. Sentence 5: Albert's band went back to playing their old music. Choices: a. New Music. b. Natural Disaster.
Example Output:
a