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: Frank borrowed Jesse's car to run some errands. Sentence 2: Frank got into a collision with another vehicle with Jesse's car. Sentence 3: Jesse thought Frank had been careless. Sentence 4: Frank would not pay for the damage to the car. Sentence 5: Jesse did not let his friends borrow his car anymore. Choices: a. Ginny's new bike. b. Careless Friend.
b