A: What is that you're riding? B: It's my new riding lawn mower. A: It looks like a sporting vehicle. B: Mowing the lawn can be a sport. A: That doesn't sound like a very exciting sport. B: It's exciting on a riding mower. A: How long does it take you to finish the lawn? B: Around twenty minutes. A: It takes me an hour most of the time! B: This tool is fun and convenient! A: Can I borrow it sometime? B: No way! A racer never lends out his racecar!