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: Sadie was in class when Rebecca announced that her pen was missing. Sentence 2: She immediately accused Sadie of stealing the pen out of jealousy. Sentence 3: Sadie insisted that she hadn't taken it. Sentence 4: The teacher checked her bag and confirmed that the pen wasn't there. Sentence 5: Sadie decided she would never talk to Rebecca again. Choices: a. Real man. b. Not Guilty..

b