Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to drain a toilet [title] Turn off the water supply to the toilet. [step] Somewhere near the toilet, there should be a shut-off valve. It's generally a small knob found on the wall or floor near the toilet.

Ending1: Turn it clockwise to turn the water supply back on. [substeps] This will prevent water from splashing into the toilet. Ending2: This shuts off the water supply when turned clockwise, allowing the toilet to drain. [substeps] Be careful not to break the valve or the pipe. Ending3: Turning it off will let the water flow freely out of the toilet. [substeps] You may also want to plug the main water line back in before doing so. Ending4: It's typically screwed on and can't be unscrewed. Holding the handle in place with your hand, unscrew it slowly and work it until it comes off.

Answer format: ending1/ending2/ending3/ending4