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: Antonio wanted to take an online economics course. Sentence 2: His advisor suggested him taking the class on campus. Sentence 3: Antonio did not take his advice. Sentence 4: He found the class difficult and had to drop out. Sentence 5: Antonio will have to retake the class next semester on campus. Choices: a. economics class. b. Family Outing.

a