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: Tom loved being outdoors. Sentence 2: He went hiking one afternoon. Sentence 3: He saw a giant lizard. Sentence 4: He decided to catch the lizard and bring it home as a pet. Sentence 5: He now loves his pet lizard. Choices: a. Hiking. b. Jan The Ballet Dancer.

a