Please choose the correct ending to complete the given sentence: Health: [header] How to perform melanoma skin checks [title] Undress completely. [step] The first step to doing a melanoma skin check is to undress completely. Make sure you are in a well-lit area.

Ending1: In case of an emergency, you will want to make sure the room is nice and dark. You do not want to ruin your glow by undressing yourself, as putting on an extra light is the standard many physicians request. Ending2: Be sure you have parental permission to do so in the light of day. Slowly unbutton your shirt so you can relax comfortably in the light. Ending3: [title] Look carefully at your skin to determine if you are : [substeps] Hot: feel a tingling sensation on your skin, this is a good sign you are in a suitable area for a melanoma skin check. Puffy: look down at your skin and make sure you are in a well-lit area. Ending4: Stand in front of a full-length mirror. [substeps] Have a hand-mirror nearby to help you check your back and other difficult to see areas.

Answer format: ending1/ending2/ending3/ending4