You will be given a definition of a task first, then some input of the task.
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: Rick had a broken DVD player laying around. Sentence 2: He decided to read a book on fixing electronics. Sentence 3: After two weeks of reading the book he felt he was ready. Sentence 4: With his new knowledge he started tinkering with the DVD player. Sentence 5: On his first try the DVD powered up and he fixed it. Choices: a. Roots. b. The Repair..
Output:
b