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: Russ Jackson was in prison for killing a man. Sentence 2: He wrote letters to his sweetheart every day. Sentence 3: 15 years into his sentence, he had lost hope. Sentence 4: He told his girl to quit waiting on him. Sentence 5: She refused, and ended her life instead. Choices: a. Samich. b. Berta.
Output:
b