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: Maude always used old maps to find her way while driving. Sentence 2: But this time she couldn't find her target. Sentence 3: Maude pulled her phone and found the location using GPS. Sentence 4: And as she exited her car, she threw her old map away. Sentence 5: From now on, she'd use her phone to find her way. Choices: a. Old map. b. Polar Expressing.

a