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: Justine was the most talented student in her class. Sentence 2: She helped all her fellow students with all their needs. Sentence 3: But as she was a pushover, she didn't have limits. Sentence 4: And she was exploited by most to do their homework. Sentence 5: She had to call in sick to finally be free of all the demands on her. Choices: a. Lucky. b. Pushover.

b