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". 

Example Input: [header] How to clean rubber boots [title] Wipe away light dirt and grime. [step] If your boots aren't especially dirty, you can usually clean them easily with a damp cloth. To prevent dirtiness from building up on your boots and causing longer cleaning times, do this after each time you use your boots. <sep> (A) Before handling an object or stepping on something wet, make sure you wipe it away on a rag first. Use a mild soap and water to wipe off even the smallest traces of dirt. (B) [substeps] To increase the dirt fighting potential of your damp cloth, mix 1 tsp (5 ml) of dish soap with a ¼ gallon (1 l) of water. Douse your rag in this, and wipe down the boots. (C) [title] Grind three pounds (177 g) of dry powder on a coffee grinder. [step] The dry powder will help to transfer dirt and dust to the boots. (D) This will clear little dirt and grime off of your boots, leaving them looking brand new. [substeps] If your boots are already cleaned, you may need to consult a shoe store or partner to inspect them for a better cleaner.
Example Output: B

Example Input: [header] How to make iced green tea [title] Boil 4 cups (950 milliliters) of water in a large pot. [step] If you would like to make a single serving, boil 1 cup (240 milliliters) of water in a kettle instead and pour it into a mug. [title] Take the pot off the stove, and add 4 to 6 tea bags into the water. <sep> (A) [step] Swish the tea bag or bag around in the water to help dissolve it, then you're ready to serve it. [title] Add 4 to 6 teabags to the pot. (B) [step] The more tea bags you use, the stronger your tea will become. If you would like to make a single serving, dip 1 tea bag into your mug. (C) [step] Make sure that the tea bags reach the proper amount of length to minimize the risk of scorching. [title] Turn the heat off and let the tea steep for 10 to 15 minutes. (D) [step] This will have the texture of a teaspoon of ginger. [title] Leave it to steep for about half an hour.
Example Output: B

Example Input: The lady sat at the center of the studio with her wet hair, she put a white cream on her hand then rub it on her hair. the girl <sep> (A) brushed her four teeth with the dark cream and finished with a pink lip. (B) then blow dried her hair and straighten the hair with a comb where the travel record indicated. (C) then hold on to the back of the curls laying the wet hair on her plates and put the piled hair under the brush. (D) blow dry her hair with white blower, sectioned her hair, brushed her hair with roller brush while blow drying it at the same time, she roll the brush downwards and upwards.
Example Output:
D