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: I decided to buy some gold. Sentence 2: I bought it yesterday. Sentence 3: I needed another investment vehicle. Sentence 4: It turned out well. Sentence 5: It was also much safer. Choices: a. The Repercussion. b. Buying gold.

b