Task: Text Completion
Input (English): [header] How to shampoo hair naturally [title] Combine all of the ingredients. [step] This basic oil and castile soap shampoo formula can help keep your hair glossy and moisturized. Add ¼ cup (59 ml) of water, ¼ cup (59 ml) of liquid castile soap, and ½ teaspoon (2.5 ml) of light vegetable oil to a bowl. <sep> (A) [title] Place the paste in the proper location for your hair type. [step] If you have curly or wavy hair, your head will need to be covered. (B) [substeps] Massage the mixture into your hair thoroughly to see if it's going to stick. If you've chosen the right shampoo, you should see good results in a week or two. (C) Use a spoon to stir the mixture together until it's fully blended. [substeps] For the best results, use filtered or distilled water. (D) Add warm water to the bowl and stir it with your whisk to disperse the mixture. [substeps] This moisturizing-oil-infused shampoo can help your hair shine.
Output (English): C