Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to install a toilet handle [title] Lift the lid off of the toilet tank and make sure the tank is empty. [substeps] If the toilet has been in use previously, shut off the water supply to the toilet, then flush it to empty the tank. If this is a new toilet, do not turn on the water supply until after the handle is installed.

Ending1: [title] Cut the toilet handle in half, then make the cut with a utility knife. [substeps] It is very important to clean the toilet handle until all traces of dirt, dust and oils have been removed. Ending2: [title] Loosen the screw holding the lid to the toilet tank. [substeps] Make sure not to hold it locked as this can cause it to slide off of the toilet tank and could result in injury. Ending3: [title] Hold the handle in your non-dominant hand and remove the gasket and shank nut from the back of the handle. [substeps] The gasket is a rubber ring that sits behind the nut and helps to seal the handle from leaks. Ending4: [title] Find and sand the toilet handle surface, using a shredding or sand-cutting grinder. [substeps] To build the handle, you will need a level, concrete surface to work on.

Answer format: ending1/ending2/ending3/ending4