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: Sandra noticed her phone bill was high. Sentence 2: She needed to save money on her bills. Sentence 3: Sandra asked her daughter if she could be put on her plan. Sentence 4: Sandra's daughter added Sandra to her phone plan. Sentence 5: Sandra and her daughter both saved money on their bills. Choices: a. The Phone Bill. b. The Legos.

a