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: Lawrence and his buddies were going to float down a river. Sentence 2: They showed up at the river banks ready to go. Sentence 3: They all hopped in their tubes and started floating. Sentence 4: They went several miles, having a good time all the while. Sentence 5: They all agreed it was a great trip down the river. Choices: a. Going Down the River. b. Brown Nose.

a