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: Isabel was not very proficient with math. Sentence 2: She often mixed numbers up when adding things up. Sentence 3: This would cause a lot of budgeting mistakes. Sentence 4: She bought a planner with a calculator. Sentence 5: Now she doesn't make as many mistakes. Choices: a. The Taco Truck. b. Isabel Isn't Intelligent.

b