They stop at a T-intersection.  The GPS indicates that they turn left.  Passing right in front of them is a John Deere combine—a gigantic green machine, with its signature yellow etched along the side.  It’s also heading in the same direction as them.

“What do you think?” Bart asks, waving at the combine driver.  “Follow it or find a way around?”

“Just follow it,” she says.  “Don’t want to get lost out here.”

“Good idea.”