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!