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: John loved gazing at stars. Sentence 2: He switched his major to astrophysics because of his stargazing love. Sentence 3: John's first class involved a huge amount of difficult math. Sentence 4: John knew he couldn't weather such a class, feeling disappointed. Sentence 5: Now, John is a business major who stargazes on his own time! Choices: a. Too Difficult. b. Broken Egg.

a