Definition: 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: Sentence 1: Billy nagged his dad every morning to try coffee. Sentence 2: Finally his father relented. Sentence 3: He poured him a small cup. Sentence 4: Billy chugged it down, then spit it out. Sentence 5: He didn't know how his dad could drink the bitter stuff! Choices: a. What's to Like About Coffee. b. Recovery.

a