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: Susan and Tim were hanging out and joking outside. Sentence 2: They were having a good time until they heard a noise. Sentence 3: They could hear mountain lion cries and close too. Sentence 4: The couple panicked and hurried back to their house. Sentence 5: They were always worried about the big cats from then on. Choices: a. Rock Snowball. b. Mountain Lion Growls.

b