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: Adrian needed to deposit funds at the bank. Sentence 2: He approached the teller. Sentence 3: When he reached for his wallet, he found he'd forgotten his card. Sentence 4: The teller informed him he couldn't deposit without it. Sentence 5: He headed back home feeling quite silly. Choices: a. Bank. b. Shelly's Lunch.

a