Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a toilet or bidet using bleach [title] Gather the cleaning materials and prepare the toilet or bidet. [step] To clean your toilet or bidet, you will need bleach, a measuring cup, and a toilet brush. Using the measuring cup, pour out 1/4 cup of bleach.

Ending1: The specific number of cups you need depends on the size of your bathroom. In general, you will need one cup of white vinegar per 45% surface area (toilet seat, bidet, water tray, shower door, etc. Ending2: You will also need to use a dishwashing hose and hot water to clean your toilet or bidet. [substeps] For sanitary toilets, use tap water, not a dishwasher-you do not want to splash the water on your toilet or bidet. Ending3: Before cleaning, flush the toilet or bidet. [substeps] If your toilet or bidet has rust stains, do not use bleach. Ending4: Place the measuring cup over the toilet bowl and dip it in the bleach. Let it sit until it is soaked, and then, use the dripping cleaning spray that came with the cleaning aid.

Answer format: ending1/ending2/ending3/ending4