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: Today I rode on an airplane. Sentence 2: I was traveling from Orlando, FL to Washington, DC. Sentence 3: We hit bad turbulence while in the air. Sentence 4: It scared me. Sentence 5: I'm glad to be safely on the ground and for the trip to be over. Choices: a. Spelling test. b. Airplane ride.
Example Output: b

Example Input: Sentence 1: Shayla was asked to be a bridesmaid at her friend's wedding. Sentence 2: Shayla was excited but also nervous because she was fat. Sentence 3: She bought a goal dress and worked hard to lose weight. Sentence 4: The day of the wedding came. Sentence 5: Shayla was proud that she could finally fit into the dress. Choices: a. The Putt. b. The Goal Dress.
Example Output: b

Example Input: Sentence 1: Kate bought a new bike. Sentence 2: She went bike riding. Sentence 3: Kate went down a huge hill. Sentence 4: Kate lost control of her bike. Sentence 5: She fell off the bike damaging it in the process. Choices: a. New Bike. b. Unplugged.
Example Output:
a