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: Tom wanted to pull a prank. Sentence 2: He saw his sister was sleeping. Sentence 3: He went in her room and cut her hair. Sentence 4: He thought it was funny. Sentence 5: His sister was horrified. Choices: a. Talent Show. b. Little prank.

b