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: Suzy was carrying heavy materials. Sentence 2: It was getting heavy. Sentence 3: Her shoulder was in pain. Sentence 4: She had to take medicine for it. Sentence 5: Then she felt better. Choices: a. Fire. b. Painful shoulder.

b