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: Mona's dad got a new job. Sentence 2: Their family had to move across the state. Sentence 3: Mona hated leaving her friends. Sentence 4: She was nervous on her first day at a new school. Sentence 5: Mona made two new friends on her first day. Choices: a. Mona's First Day. b. Bad Uber Impression.

a