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: He sat back in the chair. Sentence 2: He tried to relax. Sentence 3: He stretched his feet on the ottoman. Sentence 4: He sighed with relief. Sentence 5: His feet felt better. Choices: a. Tragedy. b. Feet.

b