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: Howard had just moved to Germany from the US. Sentence 2: He did not speak very much German. Sentence 3: This caused him some amount of trouble. Sentence 4: He committed himself to studying the German language every day. Sentence 5: After a few months, he could satisfactorily carry on a conversation. Choices: a. German. b. Dancing waiter.

a