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: Yesterday I went on a hike. Sentence 2: We walked six miles on the trail. Sentence 3: I was ready to pass out, I was so tired. Sentence 4: Towards the end it started to rain. Sentence 5: Thankfully then, the hike was cut short. Choices: a. Bad hike. b. Frigid north end.

Ex Output:
a

Ex Input:
Sentence 1: Billy works at a toll booth. Sentence 2: His favorite days on the job are when there's a performance going on. Sentence 3: People fill up his parking lot. Sentence 4: After the show, he gets to hear their reviews first hand. Sentence 5: He can always recommend which shows to see. Choices: a. Billy at the Toll Booth. b. Hard Work.

Ex Output:
a

Ex Input:
Sentence 1: Kate's mom hated to drive. Sentence 2: But Kate's best friend lived across town. Sentence 3: Her mom saw her sitting around the house bored. Sentence 4: To Kate's surprise her mother drove her to her friend's house. Sentence 5: Kate was very grateful and happy for the ride. Choices: a. Don't move a muscle. b. Ride.

Ex Output:
b