Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to prepare backpacking food [title] Make sure you have the basics. [step] If you're going on any serious backpacking adventure, you'll need to stock up on backpacking essentials like a backpacking stove, fuel, and cooking utensils. Make sure you make camp next to water every night, or else you'll have to carry water for cooking as well.

Ending1: [substeps] Make sure that you have everything from a flashlight to old blankets. Not only will these be needed while touring, they'll be fixed while travelling. Ending2: [substeps] The cheapest backpacking stoves are made of aluminum, but food can stick to them. Look for a non-stick pan, and add extra water to prevent food from sticking. Ending3: [substeps] Anything perishable, like canned goods or frozen dinners, should be brought along with you on your trip. You'll need to have propane, light food, water and elbow pads for protection. Ending4: [substeps] Stock your interior or outdoor cooler with propane, or give you fuel in case the temperature falls below freezing. If you're looking to eat along the way, you'll probably want a small cooler to share.

Answer format: ending1/ending2/ending3/ending4