Given the task definition and input, reply with output. 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'.

Sentence 1: Sharon was trying to lose weight. Sentence 2: She started recording everything she ate. Sentence 3: She cut her calories and started exercising daily for 1-2 hours. Sentence 4: She avoided the scale for a month. Sentence 5: When she finally weighed herself, Sharon had gained 23 pounds. Choices: a. A Total Waste of Time. b. Getting Cable.
a