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: Sam was nervous about going to school. Sentence 2: It was his first day in high-school. Sentence 3: Everything went better than expected. Sentence 4: Sam was less afraid his second day. Sentence 5: He looked forward to going to school eventually. Choices: a. Big Wave. b. First Day of Class.

b