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 thin nail polish [title] Turn the bottle upside down to blend the pigments back together. [step] Keep flipping it upside down and right-side-up for two to three minutes.. sometimes, this is all your nail polish needs in order to get revived. [title] Roll the bottle between the palms of your hands for a few minutes. <sep> (A) [step] This prevents the mix from smearing onto your nails. [title] Wrap some royal blue colloidal oatmeal, flavored with cinnamon and garlic, into a cotton ball. (B) [step] The warmth from your hands will create a thinner consistency and help make it easier to spread on your nails. Never shake the bottle, as this will create tiny bubbles. (C) [step] Give the bottle a shake to blend the pigments back together with a loofah, or clean makeup remover. [title] Squeeze your makeup remover over the same area in a paper towel. (D) [step] The surface of the bottle will gradually start to turn creamy again. [title] Add additional food coloring to your original nail color, and your two colors will blend together.
Output:
B