You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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'.

Sentence 1: Marcus needed clothing for a business casual event. Sentence 2: All of his clothes were either too formal or too casual. Sentence 3: He decided to buy a pair of khakis. Sentence 4: The pair he bought fit him perfectly. Sentence 5: Marcus was happy to have the right clothes for the event. Choices: a. Marcus Buys Khakis. b. Marcus Works.
Solution: a
Why? Marcus's reasons for buying khakis is established, followed by his purchase of them and reaction.

New 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.
Solution:
b