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: Tim's car broke down. Sentence 2: He needed transportation to work. Sentence 3: A friend let him borrow his car. Sentence 4: Tim was very appreciative over it. Sentence 5: He took great care of it, washed it and filled it with gas. Choices: a. Borrowing a Car. b. Holly's First Day.

a