Please choose the correct ending to complete the given sentence: Health: [header] How to treat minor burns [title] Determine whether you have a first-degree burn. [step] First-degree burns are the most common burns. You have a first-degree burn if only the outermost layer of skin is affected.

Ending1: This form of burn is similar to burns found in burned areas of the body. Second-degree burns occur if the body overcompensates for the lost oxygen, and are often treated with topical medicine. Ending2: You may have a second-degree burn on your neck or groin. Second-degree burns are more advanced, whose most obvious marks are caused by intense static shock. Ending3: A second-degree burn is not as serious, although it cannot heal itself entirely. General treatment instructions may depend on the severity of the burn. Ending4: These are the least severe type of burn and can usually be treated at home. Symptoms involve : [substeps] Pain area is sensitive to the touch and warm to the touch minor swelling reddening of the skin [title] Examine whether you have a second-degree burn.

Answer format: ending1/ending2/ending3/ending4