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: Moe had a big challenge to face. Sentence 2: He promised his girlfriend he would stop smoking. Sentence 3: He tried going cold turkey at first, but it didn't work at all. Sentence 4: He tried using nicotine patches, but they made feel sick. Sentence 5: After trying everything else, Moe settled with using an e-cigarette. Choices: a. Tattoo Cover-up. b. Positive steps.

b