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: While sitting at home, Sandy felt a slight pain in her chest. Sentence 2: She figured it was nothing, but decided to go to the hospital anyway. Sentence 3: At the hospital they did some tests on her heart. Sentence 4: The tests results showed that she'd actually had a heart attack. Sentence 5: In fact, if she hadn't come in, she could have died later. Choices: a. Heavy Depression. b. Heart Problems.

b