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: On my birthday I went bowling one year. Sentence 2: I was very nervous since I've never gone before. Sentence 3: My mom told me that I'd do fine so I tried my best. Sentence 4: I didn't do so great but I definitely did okay. Sentence 5: My friends then told me I did better than them! Choices: a. Bowling. b. Field trip.
Example Output: a

Example Input: Sentence 1: Justin was taking a trip. Sentence 2: His car started to make a loud noise. Sentence 3: He decided to pull over. Sentence 4: He popped the hood and his engine was blown. Sentence 5: He called for help and waited to get picked up. Choices: a. Halloween on the street. b. Justin breaks down.
Example Output: b

Example Input: Sentence 1: The Jeter family went to South Carolina every year for the summer. Sentence 2: This summer they went to Wisconsin. Sentence 3: The only problem was that the kids expected beaches. Sentence 4: Instead they go farmland. Sentence 5: They asked to go home early instead of enjoying the outdoors. Choices: a. The Family Vacation. b. The Pie.
Example Output:
a