Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a quartz countertop [title] Wet a washcloth with warm, soapy water. [step] To keep your quartz countertops clean, you usually won't need anything more sophisticated than a gentle soap solution. Generally, it's best to use a mild dish detergent that doesn't contain any astringents or harsh chemicals.

Ending1: [substeps] If you want to clean your quartz countertop by hand, use a cotton washcloth or soft foam sponges. Rub the washcloth or sponge across your surface until you are satisfied with the soapy results. Ending2: This works better than diluted dish detergent or harsh soap. [substeps] Place a drop of soap onto a clean cloth and press it over the water. Ending3: These substances can wear down quartz with repeated use. [substeps] The resins used to seal quartz make the finish resistant to everyday dust, dirt, stains and mold. Ending4: Swirl the washcloth over the countertop several times. Wash the countertop until the water comes out clean.

Answer format: ending1/ending2/ending3/ending4