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: Miranda decided to go to Dublin. Sentence 2: It was spur of the moment. Sentence 3: When she got there she wanted to go clubbing. Sentence 4: Luckily her friends agreed. Sentence 5: Miranda had so much fun. Choices: a. Clubbing in dublin. b. Olympics Party.
Example Output: a

Example Input: Sentence 1: Helen was offered a retirement saving account through her employer. Sentence 2: She found all of the expense ratios inappropriately high. Sentence 3: She asked the employer's finance director about this. Sentence 4: They told her that if she could find a better option she should accept. Sentence 5: Helen gladly found an IRA with an expense ratio between 0,10 and 0,30. Choices: a. The Dress Stain. b. Investment Options.
Example Output: b

Example Input: Sentence 1: Casey was swimming with some friends at the lake. Sentence 2: They spotted a little cliff and decided to jump. Sentence 3: Casey was really afraid of the height. Sentence 4: She almost decided not to jump, but a boy she liked cheered her on. Sentence 5: She decided to go for it and ended up having a lot of fun. Choices: a. Asleep in Class. b. The Cliff Jump.
Example Output:
b