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: Travis thought he was a great fisherman. Sentence 2: He challenged his friend Stu to see who could catch the bigger fish. Sentence 3: They went to the park all afternoon to fish. Sentence 4: Travis caught the bigger fish. Sentence 5: Stu congratulated him. Choices: a. The catch. b. The bully.

a