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: Bobby pulled Suzie's pigtails on the playground. Sentence 2: Then he ran away. Sentence 3: The teacher asked him if he did it. Sentence 4: Bobby lied and said it was Tommy. Sentence 5: Bobby felt guilty when Tommy got punished. Choices: a. Bobby Tells a Lie. b. NicNik.
Output:
a