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: Mark got a tattoo on his leg. Sentence 2: When he got older he didn't like the tattoo. Sentence 3: He hired an artist to make it into a picture of a bear. Sentence 4: The artist worked on his leg for four hours. Sentence 5: Mark had that tattoo for two years before he regretted it. Choices: a. Wrong Day. b. Tattoo.

b