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". 
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Question: [header] How to prevent greasy hair [title] Shampoo properly. [step] Apply a small, quarter-sized amount of shampoo to your scalp and massage vigorously with your fingertips. Then, work the lather through your hair and rinse. <sep> (A) [title] Rub a dime-sized amount of baby oil in your palm. [step] Squirt a dime-sized amount of all-purpose baby oil into your palm and then use the back of a spoon to massage the lather into your hair. (B) Body wash will also work well to loosen the oil from your hair and prevent it from slacking off. Comb your fingers through your hair to ensure that all areas of your hair are clean. (C) [substeps] Whether you have wet or dry hair, lather the lather gently and never hold it in place for more than one second. [title] Consider bed-wetting your hair as often as you can. (D) Rinse hair thoroughly so no shampoo is left behind. Washing your hair should take about five minutes.

Answer: D


Question: [header] How to cook with nuts [title] Buy shelled nuts. [step] Nut shells have no nutritional value and cannot be consumed. Doing so could cause them to lodge in your throat, and you could choke. <sep> (A) Instead, buy shelled nuts when you are grocery shopping. Don't buy shelled nuts when you are preparing meals. (B) Therefore, always buy shelled nuts, or shell them yourself. In either case watch out for the occasional shell piece that might be left behind. (C) Shelled nuts aren't good for eating or digesting. There are other foods you can eat that don't require shelled nuts, such as : [substeps] Butter, peanut butter, cottage cheese, okra, teriyaki, and chickpeas. (D) Choose shelled nuts whose shells are heavy, easily broken, or cracked. Opt for : [substeps] Corn nuts pumpkin shells peanut nuts pumpkin seeds roasted nuts sunflower seeds [title] Clean your shells.

Answer: B


Question: [header] How to stop teeth grinding in cats [title] Take your cat in for a veterinary dental exam. [step] If your cat is grinding its teeth, it most likely means that it is having some dental problems. This could be a loose or broken tooth, gum pain, ulcers, gingivitis, or a problem with its jaw. <sep> (A) Take the cat to the vet if all of these are cause for concern. [substeps] When you visit your veterinarian, they may also refer you to an ophthalmologist. (B) When you go visit your vet, help her diagnose the problematic teeth. [substeps] Teeth grinding refers to breaking down the shape of the teeth, not each individual tooth. (C) A veterinarian may suggest that you take your cat to an animal hospital or veterinary clinic. Your cat may continue to grind its teeth even after the symptoms subside. (D) In response to the pain caused by these issues, a cat will often times grind its teeth. [substeps] Your veterinarian will ask you about your cat's symptoms and then give the cat an exam.

Answer:
D