Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make ethiopian coffee (buna ) [title] Open windows/door. [step] You don't want to trigger the smoke detector. [title] Clean coffee grinder, ceni, and the roasting pan.

Ending1: [step] Any left over flavor from other foods will change the taste of the coffee. [title] Wash the green coffee beans 3 times with water. Ending2: [step] You can clean them but be sure that no other dangerous items are nearby. [title] Open the door of the preheated coffee grinder, if you have one. Ending3: [title] Pour all the coffee grounds into the blender. [step] Measure out 50/50 milk to make 2 cups. Ending4: [step] There will be a bit of rust on the side of the door and pan. You may have to clean it up a bit with a short-handled brush.

Answer format: ending1/ending2/ending3/ending4