Please choose the correct ending to complete the given sentence: Health: [header] How to burn 300 calories in 30 minutes [title] Go for a jog. [step] One great calorie burning exercise to try is jogging. It's a higher impact exercise that requires the use of many large muscle groups to perform.

Ending1: Looking for a gym with more fitness centers or running facilities is a good choice. [substeps] Jumping on elevated platforms such as trampolines can be great for jogging as well. Ending2: [substeps] To burn at least 300 calories in a half an hour, you have to jog or run. Aim for your pace to be around a 10-minute mile or 6 mph (if you're on the treadmill). Ending3: The less muscles your perform, the lower your overall overall calorie burn will be (essentially, more calories) and the further your total calorie intake will go. [substeps] You can use additional weights if you prefer the level of impact. Ending4: For optimal results, hop on a treadmill and run for at least a 30 minute mile (16 km). This moderate activity burns around 240 calories while keeping you physically fit.

Answer format: ending1/ending2/ending3/ending4