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: John had a deathly fear of heights. Sentence 2: One day he came home from work to see a cat up a tree. Sentence 3: It was his daughter's favorite kitty. Sentence 4: He climbed very high up into the tree to rescue the cat. Sentence 5: It was worth it when John was hugged tightly by his little girl. Choices: a. Ice Cream. b. Cat Rescue.

b