Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to replace a toilet flapper [title] Turn off the water to your toilet. [step] Before you can replace a faulty flush valve seal, you'll need to stop the flow of water to the tank. Locate the shutoff valve on the lower part of the wall behind or beside the toilet.

Ending1: Turn it off by gently plunging your finger into the hole. [substeps] Remember to set a latch back into the outlet, so the water doesn't easily escape. Ending2: On the wall beneath the toilet, you'll find a small plastic cup or nut with a " + " on it. Use a flathead screwdriver to gently slide it off the flapper and out of the way. Ending3: Put a piece of old plastic over the valve hole to protect it from any water leaking out. Place a piece of tape over the toilet's opening to protect it from water seeping out of the flapper valve. Ending4: Turn the dial clockwise until it stops moving. [substeps] You may still hear a trickling sound after shutting off the water.

Answer format: ending1/ending2/ending3/ending4