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". 

[EX Q]: [header] How to get oil out of hair [title] Shampoo your hair several times. [step] Use your regular shampoo to wash your hair in the shower. Really work the shampoo into your scalp using your fingers and rinse it out thoroughly with lukewarm water. <sep> (A) Rinse your hair as soon as possible after it is done, as prolonged washing can hurt the scalp. [title] Dry your hair as soon as possible. (B) Have a good conditioner available on hand for long-term use. [substeps] Because oil can build up if you're not getting it regular, don't rinse it out very often, as this may clog or unbalance the hair follicles. (C) Repeat the process one or two more times, as needed. [substeps] After you finish shampooing, add some conditioner to your hair and let it sit for 5 minutes before rinsing out. (D) [substeps] You can use a hairdryer, a microfiber cloth, or a shower cap to gently detangle your hair to avoid spreading the oil or holding your hair in. [title] Squeeze a dime-sized amount of shampoo from a bottle.
[EX A]: C

[EX Q]: A person vacuum the inside of a car, while other men clean by hand the car with detergent and water. then <sep> (A) , a man tops small metal bin, cover it with rubber tape and throw it on the side, then the men polish and clean and polish the car outside in the grass around. (B) , a man dry the car with clothes. (C) , the men applies soap and ties the hair, after they dry with asian cloth. (D) , the man goes peolpe on the road.
[EX A]: B

[EX Q]: [header] How to make a bokken [title] Tools needed: hammer and chisel (used together), sandpaper, shaving plane, metal file (preferably steel ) [step] . [title] Gather a good branch of hardwood; this should be off a live tree. [step] A branch from the ground is unsuitable for any real use. <sep> (A) Only cut it if it has bare soil. Dig up the tree before you cut it if you wish to preserve the wood its very easy to snap. (B) How you get is should be with permission if you get it from someone else's property. Let the wood dry for a month in a place heated and dehumidified in a stable manner. (C) [title] Cut away bark from the root using a twig or hoe. [step] Before using it, use a scraping surface on the branch, such as a tree skull, as a guide. (D) [title] Cut a two-inch foot long branch. [step] Cut some half inch diameter and at the exact height you want.
[EX A]:
B