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: Rita started college four years ago. Sentence 2: She struggled through the first year, but did better after that. Sentence 3: She studied hard, and ended up majoring in Science. Sentence 4: She graduated with a high grade point average. Sentence 5: Rita worked very hard to get to where she is today. Choices: a. Rita's Passing Grades. b. Ketchup.

a