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: Greg was known as a loan shark in town. Sentence 2: He would lend money to anyone at a very high interest rate. Sentence 3: One day, Nancy needed $5000. Sentence 4: He agreed to give it to her if she repaid $10,000. Sentence 5: Nancy was desperate so she did it. Choices: a. Money Man. b. Ducks.
a