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: The boy had been scratching for days. Sentence 2: His doctor said he had poison ivy. Sentence 3: The boy was upset at hearing the news. Sentence 4: He knew he would be miserable for many more days. Sentence 5: What a horrible way to end the summer! Choices: a. The Diagnosis. b. The Doctor.

a