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: Kim was walking down the street one night. Sentence 2: A cat made eye contact. Sentence 3: Kim was afraid of cats. Sentence 4: When the cat walked towards her she began to run. Sentence 5: She was horrified to find the cat was running right behind her. Choices: a. Falling.. b. The Chase.

b