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: Tom wanted to learn the Russian language. Sentence 2: Tom took a class at his local community college. Sentence 3: Tom watched videos and listened to talks in only Russian. Sentence 4: Tom spent a Summer in Russia with Russian-only speaking people. Sentence 5: Now Tom is fluent in the Russian language! Choices: a. New life. b. Russian.

b