TASK 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". 
PROBLEM: [header] How to make homemade hormone rooting powder or tonic [title] Use cinnamon. [step] Cinnamon prevents the growth of fungus. While it acts less as a rooting hormone, the fact that it curbs the fungal growth means that the plants have a great chance to grow without needing any additional help. <sep> (A) [substeps] Consider adding cinnamon powder to your herbal tonic each day by mixing small cinnamon cubes with water and using them for a week. [title] Try using flakes of dried marigolds. (B) [title] Try a silicon tablet or cacao tablet. [step] They can last up to a week, but commercially available forms are fast-acting. (C) [title] Dip or roll the cutting in ground cinnamon. [substeps] If dipping, tip some cinnamon into a cup and simply dip the cut stem end into the cinnamon. (D) Make sure that you use cinnamon in conjunction with regular root growth products, as cinnamon provides an excellent additive that can help regulate the risk of fungal infections. [substeps] Make sure that you use cinnamon on plants that are not affected by herbaceous or fungal infections.

SOLUTION: C

PROBLEM: [header] How to clean sperrys [title] Remove caked-on dirt with a bristle brush. [step] Using a soft toothbrush or a bristle brush made for leather, gently brush away any dirt, dust, or debris. Brush the leather with soft strokes in the same direction. <sep> (A) [substeps] Brushing the pricier areas first helps to allow for better handling of all surfaces. [title] Dust the back and sides of the flaked-off parts with a lint-free cloth. (B) If you scrub the shoes in multiple directions, you're likely to leave scars. [substeps] Use a rubber-bristled brush rather than a nylon-bristled brush. (C) [substeps] When applying pressure, make sure to keep the bristles away from your sperrys' feathers. It helps to remove any stuck on insects. (D) [substeps] Sweep or wipe off any grime stuck to the surface. Dry the area with a soft cloth or a clean towel afterwards.

SOLUTION: B

PROBLEM: [header] How to dye hair two colors [title] Separate your hair. [step] Brush or comb your hair into two loose pigtails. This will make it easier to wrap in foil after you apply the bleach and the dye. <sep> (A) Pin this section of your hair up and leave the bottom section bare. [substeps] Your clothes will be protected from the dye by the foil. (B) [title] Find a booth in a room with air circulation. [step] If possible, it's best if you can see the entire workspace, including the counters near the tools and appliances that are often used to collect hair-bleaching products. (C) Tie an elastic band on each segment to mark the bottom 2/3 of your hair. [title] Bleach the area below the elastic bands. (D) Put two braids into one pigtails, one near the nape of your neck and the other behind the ears. [substeps] Each braid takes up the space between the twists and the top of your head (called the crown section).

SOLUTION:
C