Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make eyeliner [title] Buy some activated charcoal. [step] Activated charcoal is available at drug stores and natural health stores. It's commonly used as a remedy for indigestion, so it usually comes in the form of capsules.

Ending1: Here's how it's spread : [substeps] Cover your lip with the activated charcoal. Place one or two beads into your mouth, or brush your tongue with it. Ending2: [substeps] Capsules are 8 ounces of activated charcoal and 8 ounces of nitrates. You can buy activated charcoal at drug stores, check the label for natural ingredients and commercial ingredients. Ending3: This pure black, all-natural substance is perfect for creating homemade eyeliner. [substeps] This is not the same as the type of charcoal you burn to cook food on the grill. Ending4: [substeps] Make sure to clean your eyeshadow brushes after use. To ensure that you don't accidentally treat your eye as a pigmented eye, make sure that you put the activated charcoal on properly.

Answer format: ending1/ending2/ending3/ending4