Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to install a caroma toilet [title] Disconnect and remove the supply line to the toilet. [step] The old toilet has been removed and supply line has been disconnected at this point. Be sure to remove all pieces of the old wax ring using your putty knife.

Ending1: [substeps] If the supply line was disconnected before filing the old wax ring and removing any items such as butter sills, you may skip this step and simply replace it with regular wax. If that is the case, you may just replace the old toilet. Ending2: [title] Inspect the sides of the toilet for dirt and mildew. [step] Dirt and mildew will show through through the wax ring. Ending3: [title] Add a flexible supply line for the new toilet. [step] Plumber's tape (teflon) has been added to the shut off valve to ensure a watertight seal. Ending4: [substeps] Your new toilet should be installed in a straight line, not crosshatch. The new toilet should fit snugly with the new supply line secured to the main shaft.

Answer format: ending1/ending2/ending3/ending4