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: Molly couldn't sleep. Sentence 2: She had watched a very scary movie! Sentence 3: Every time she closed her eyes, she saw a monster. Sentence 4: She tossed and turned all night. Sentence 5: In the morning, she felt terrible. Choices: a. Bike. b. The Scary Movie.

b