Definition: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Input: [header] How to apply a temporary tattoo [title] Start with clean, dry skin. [step] Temporary tattoos are made with water-based ink, which means that they're repelled by skin's natural oils. Carefully clean the area you want to decorate with soap and water, and pat it dry with a paper towel. <sep> (A) If you plan to paint the tattoo, you need to spot-treat all of it right away. [substeps] If you're planning to paint temporary tattoos on your skin, wash it thoroughly and pat it dry with a paper towel. (B) A clean towel will allow your completed tattoo to dry faster. [substeps] You can use any kind of soap, including baby soap, baby shampoo, or baby powder. (C) Make sure the area doesn't have dirt or dryness. Choose a color that you like, and wash your hands, too. (D) [substeps] If you're very sweaty, rubbing alcohol can help cut the grease. Pour a little onto a cotton ball, and then wipe it on the area.
Output:
D