Please choose the correct ending to complete the given sentence: Health: [header] How to empty a catheter bag [title] Wash and dry your hands well. [step] Use warm water and soap to clean your hands. Dry your hands once they are clean.

Ending1: You should also always wash your hands before use. Use warm water and a mild soap, like baby or soap. Ending2: Do this every time you are going to touch the catheter to prevent the spread of germs. [substeps] You may also put on medical gloves, if you have access to them. Ending3: Unroll the catheter, and set it aside for a later use. [title] Begin by unzippering the case. Ending4: [title] Place the catheter where you would like to place it. [step] It can be on your lower lip, somewhere above your fingers, or even on your nipples.

Answer format: ending1/ending2/ending3/ending4