Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to dye your eyebrows with coffee [title] Combine the leftover coffee grounds and cocoa powder. [step] Add 2 tablespoons (21 g) of coffee grounds and 1 teaspoon (3 g) of cocoa powder to a small bowl. Mix the two ingredients well so they're fully combined.

Ending1: [substeps] Be sure to use caffeinated coffee grounds. Caffeinated coffee usually offers a richer color, and the caffeine is also thought to stimulate hair growth so it may help if your brows are sparse or patchy. Ending2: [substeps] If you prefer a darker hue, substitute white coffee grounds for your coffee. Go for using brown or dark ground coffee to ensure that the coffee mix will produce the dye you desire. Ending3: [substeps] You can also use butter or margarine instead of coffee grounds. [title] Dip the eyebrow pencil in the mixture. Ending4: [substeps] To get a " puffy " look, add only two tablespoons (30 ml) of cocoa powder and 1 tablespoon (15 ml) of baking soda to a small saucepan. [title] Whisk the brewed coffee.

Answer format: ending1/ending2/ending3/ending4