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: Lisa screamed loudly to attract the attention of her audience. Sentence 2: It worked as every head in the room turned to look at her. Sentence 3: She waved at everyone with a big smile. Sentence 4: Until her mom came on the stage to retrieve her. Sentence 5: Only then, did the conference resumed its normal pace. Choices: a. The lyft driver.. b. Scream.

b