Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to clean an espresso machine [title] Scrub the portafilter and basket. [step] Remove the basket from the portafilter. Use a nylon brush or a scrubby pad to dislodge grounds from the portafilter and basket.

Ending1: Rinse the basket and portafilter with hot water and dry the items with a clean towel. [substeps] The portafilter is the handled, portable filter that is inserted into the group (the gasket that releases hot water to make the espresso). Ending2: Then, use a bristle brush to fluff up any grounds or dirt that have collected in the portafilter. [title] Rinse the portafilter with a mild soapy dish. Ending3: [title] Start by washing the portafilter and basket thoroughly with cold water. [step] This will remove any dust, dirt, and grime, and will make the machine easier to clean. Ending4: Wipe the basket down with a soft-bristled brush once you're finished wiping. [substeps] For stainless steel portafilter, use an abrasive brush to scrub down the surface.

Answer format: ending1/ending2/ending3/ending4