Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean epoxy grout [title] Make a vinegar cleaning solution. [step] Mix one cup (. 23 l) warm water, one cup (. 23 l) vinegar, and one tablespoon dishwashing liquid. Put the mixture in a spray bottle and shake it up to ensure that it is evenly distributed.

Ending1: [substeps] Measure out one gallon (3.78 l) of distilled white vinegar. Add a few drops of dish detergent and a few drops of vegetable or lemon essential oil to the solution. Ending2: [title] Spray the solution on the grout. [step] Be sure not to miss any spots. Ending3: [substeps] Also add one tablespoon of white vinegar or dish washing liquid to the spray bottle. [title] Add in one tablespoon of white vinegar and a small amount of dish washing liquid. Ending4: [substeps] You can add equal parts dishwashing liquid, dish detergent and distilled white vinegar for best results. Try to avoid using abrasive detergent at all.

Answer format: ending1/ending2/ending3/ending4