Detailed Instructions: 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'.
Q: Sentence 1: When I got my new phone, I didn't know how to activate it. Sentence 2: There were so many plan choices that I couldn't decide. Sentence 3: I chose a median plan, hoping it would be a good choice. Sentence 4: I applied it to my account and paid for it. Sentence 5: I have been using it ever since. Choices: a. Baking a Cake. b. New Phone Plan.
A:
b