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: Irene loved her sister Cammy. Sentence 2: Cammy took ballet and loved it, so Irene asked to sign up too. Sentence 3: But Irene did not like the class at all! Sentence 4: She decided it was okay to be different that Cammy. Sentence 5: Cammy could be the family dancer - not Irene! Choices: a. Dance. b. Julian.
Example Output: a

Example Input: Sentence 1: Allie was excited to attend the concert. Sentence 2: But first she wanted to see if she could win a free one. Sentence 3: A week past and she found out she won the ticket. Sentence 4: Allie was thrilled. Sentence 5: It relieved her of having to spend money. Choices: a. Up in smokes. b. Winning ticket.
Example Output: b

Example Input: Sentence 1: Tom ordered some items online. Sentence 2: He would wait for them to arrive. Sentence 3: Every time a delivery truck drove by he would get really excited. Sentence 4: After a while all the letdowns became frustrating. Sentence 5: Tom eventually got the right truck, though. Choices: a. Red Stain. b. Delivery Truck.
Example Output:
b