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: Susie bought some stock in a company. Sentence 2: She thought it would make her a profit. Sentence 3: But the next day it crashed. Sentence 4: Susie lost half of her money. Sentence 5: She was furious. Choices: a. Market crash. b. Takeout.

a