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".

[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.
[A]: C

[Q]: [header] How to include spanking in child discipline [title] Find a private area. [step] Conducting this type of discipline in a private area preserves the dignity of your child and prevents unnecessary embarrassment. The focus should be on discipline and additional embarrassment for your child should be minimized. <sep> (A) [substeps] Look for a private area free of distractions. Have a book or other non-distracting object nearby to quiet the child and yourself. (B) [substeps] Most experts are adamant that children should never be spanked under any circumstances. Nonetheless, some parents believe that spanking is the best way to get children to adhere to rules. (C) [substeps] If you have permission to do so, choose a private area to discipline your child in private. It will help your child feel at home instead of surrounded by other adults. (D) There are a wide variety of private areas you can think about according to age and the individual or group of children that you're spanking. [substeps] Children should have close supervision at all times.
[A]: B

[Q]: [header] How to spot signs of illness in parrotlets [title] Check the quality of the feathers. [step] Ruffled, thin, patchy, or dull feathers can be a sign that there is something wrong. A disease or parasite may cause the feathers to fall out or the bird may be plucking them from stress. <sep> (A) Pay attention to only the feathers that are level in color. [substeps] Ruffled feathers are usually the result of overbreeding, parasite control, or another problem. (B) [substeps] If they live alone and pluck their feathers, they may be lonely, not sick! You should still take your parrotlet to the vet, but consider getting them a companion. [title] Examine their skin for swelling or lesions. (C) [substeps] High color and glossy feathers are almost always a sign that something is wrong. The bird may also pick up grain or grain from the feathers. (D) [substeps] If the feathers appear dull and unkempt, the bird may be stressed about something. [title] Check to see if the bird is tall.
[A]:
B