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: Robert walked up his driveway and saw something odd. Sentence 2: It was a large toad sitting right in front of him. Sentence 3: When Robert tried to walk around, the toad leaped in his path. Sentence 4: The toad persisted, until Robert realized what he should do. Sentence 5: With a flying leap he soared over the toad and continued his walk. Choices: a. College. b. Robert and the Toad.

b