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: We went to the Grand Canyon on a family vacation. Sentence 2: I was surprised to find there were no fences or railings at the edge. Sentence 3: My brother enjoyed walking right up to the rim of the canyon. Sentence 4: It scared me to see him stand so close to the edge of the cliff. Sentence 5: I was very glad when we finally went to visit another place! Choices: a. Grand Canyon. b. Baby on Tour.

a