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: Rick's lawn mower died. Sentence 2: After a lot of research he decided to buy an electric lawn mower. Sentence 3: He chose battery operated over plug-in. Sentence 4: It was so quiet he could talk on the phone while he mowed. Sentence 5: Rick enthusiastically welcomed the new technology. Choices: a. A New Age. b. The Tumor..

a