Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to use a coffee maker [title] Add a coffee filter in the filter basket. [step] While natural or bleached filters can be used, it's suggested to use a non-generic one. Cheap generic filters are less dependable for good results.

Ending1: Coffee filters are sometimes more than adequate because they allow fresh or used coffee to resist the odors and discoloration that coffee provides. [title] Use hot water and a drop of bleach. Ending2: They are more prone to breaking down quicker on an instant coffee-run and turning out rotten on a hot-day. [title] Plan your meals so you have specific brands and ingredients to use. Ending3: [substeps] Many coffee makers come with their own mesh filter. If it is available, it's usually the easiest and environmentally friendly choice. Ending4: Simply pick the filter that you find most affordable. [title] Put the entire container in the machine.

Answer format: ending1/ending2/ending3/ending4