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'.

Ex 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.

Ex Output:
a

Ex Input:
Sentence 1: George and his friends wanted to take a trip. Sentence 2: They decided to go fishing together. Sentence 3: They loaded up their gear and drove to Minnesota. Sentence 4: They fished all day and camped at night. Sentence 5: They had a great time together! Choices: a. Tearing Down the Shed. b. The Fishermen.

Ex Output:
b

Ex Input:
Sentence 1: Sam purchased a brand new car from his local dealership. Sentence 2: When he drove it home, it started to make weird noises. Sentence 3: Sam determined the noise was coming from the engine. Sentence 4: He took it back to the dealership and explained to them the problem. Sentence 5: Sam was able to get his car replaced due to a faulty engine. Choices: a. Robbie's Wreck. b. Replacement Car.

Ex Output:
b