Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to recycle coffee grounds from your coffee maker [title] Gather the spent coffee grounds and coffee filter. [step] If you have an existing compost pile, worm bin, or municipal compost service, adding your spent coffee grounds is easy. [substeps] Begin by gathering up the spent grounds as well as the paper filter if you use one.

Ending1: You can always add more later as needed. [title] Add aside a portion of the wasted coffee grounds. Ending2: Paper coffee filters are also compostable. You may want to keep a kitchen compost bucket handy for holding your coffee grounds until you take them to your compost pile. Ending3: Gather some paper and coffee filters, if you used them, from your local coffee shop. Add food scraps if you have food waste, or some of your coffee grounds which might take awhile to compost. Ending4: The paper filter is easier to hold and the coffee filter more carefully. Replace the paper filter with a new paper filter and reattach the paper filter in the waste receptacle.

Answer format: ending1/ending2/ending3/ending4