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: Kia signed up for guitar lessons. Sentence 2: At first she was terrible. Sentence 3: She couldn't strum any chords properly! Sentence 4: But after a few weeks she improved. Sentence 5: Soon Kia was an expert guitarist. Choices: a. The crash. b. Strum.

Output: b

Input: Consider Input: Sentence 1: I waited near my class before 10 minutes before it started. Sentence 2: When I placed my water bottle in my bag, the cap fell loose. Sentence 3: Some water soaked my lab notebook and other papers. Sentence 4: I quickly took it out. Sentence 5: Since my lab notebook was ruined, I had to throw it away. Choices: a. Breaking up. b. Bad Luck in an Instant.

Output: b

Input: Consider Input: Sentence 1: Bob walked nervously up to the pool's diving board. Sentence 2: He had never jumped off it before, but he was determined. Sentence 3: His parents encouraged him from their pool chairs. Sentence 4: When he was at the edge of the board, he stood still. Sentence 5: After about ten seconds, he finally jumped. Choices: a. The Dinosaur. b. Deep End.
Output: b