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: Luis wanted a bicycle. Sentence 2: But he couldn't afford one. Sentence 3: So he made plans to steal a bike. Sentence 4: But he abandoned the plan at the last second. Sentence 5: Luis decided to save money and buy a bike in the future. Choices: a. Not Guilty. b. New Bicycle.

b