You're taking a hike in the beautiful Yellowstone National Park. The trail is old and rocky, and the roots of the big trees stick up, adding to its distressed appearance.

You've been walking for about an hour without seeing any other people when you come across a female park ranger outside of her fire tower boiling a pot of water. She's sitting on a tree stump with a box of Swiss Miss, a hunting rifle to her side on the ground and some other camping supplies arranged around the stove.

"C'mon, water, boil faster," she mutters, tapping her foot on the ground.

She's eagerly awaiting a hot mug of cocoa, and meanwhile you stand to the side of the trail...