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: I got a job selling cookies door to door. Sentence 2: I had to walk around all day in the hot sun. Sentence 3: I got extremely thirsty. Sentence 4: I decided that I should carry water with me when I work. Sentence 5: I never got extremely thirsty on the job ever again. Choices: a. A Cell Phone. b. Very Thirsty.

b