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'.

Input: Consider Input: Sentence 1: Olivia went to school always on time. Sentence 2: She was never late even on snow days. Sentence 3: Her parents made sure she always arrived on time. Sentence 4: That all changed suddenly one day. Sentence 5: Her parents had car trouble and couldn't take her to school in time. Choices: a. Fastest Words. b. Like Clockwork.

Output: b

Input: Consider Input: Sentence 1: Cheryl played the accordion. Sentence 2: Her neighbors loved the music she played. Sentence 3: Then those neighbors moved and new ones came. Sentence 4: The new neighbors hated the accordion music. Sentence 5: Cheryl had to only play when she went to her parent's house. Choices: a. Cheryl and the Accordion. b. forever bestfriend.

Output: a

Input: Consider Input: Sentence 1: I tried to ignore the feeling. Sentence 2: My chest was tight. Sentence 3: I went to the doctor when it wouldn't go away. Sentence 4: I was terrified my heart was diseased. Sentence 5: He told me instead that I had asthma. Choices: a. Heart. b. Work.
Output: a