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 paint watermelon nails [title] Remove any old nail polish. [step] Soak a cotton ball or pad with nail polish remover. Rub the soaked cotton ball over the old nail polish gently to remove the polish. <sep> (A) [substeps] Rinse away the polish from the peel and gently scrub away the residue, to avoid further staining the polish. You do not have to cover the peel in nail polish remover. (B) Don't wipe the wet cotton onto the watermelon, but rather gently rub it over the nail until the paint is lost. [substeps] Washing the cotton ball between uses will get rid of any old paint. (C) You can also wear gloves to avoid damaging your fingers. [substeps] The rubbing motion will help the polish to adhere to the nails. (D) [title] Paint your entire nail a light pink or red, the color of watermelons. [step] After applying a clear base coat apply a thin coat of pink or red polish starting at the base of the nail and working your way up.

A: D
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Q: A girl comes onto the screen and explains that she will be making some lemonade and shows the things that are needed. she <sep> (A) is attempting to take the lemonade from two cups that are standing outdoors, and attempting to make lemonade. (B) then walks to the sink and gives a very animated tutorial about the process and how to make them. (C) scoops some powder into a pitcher of water. (D) then returns to her strawberries and cucumbers and bashes them with a cucumber cocktail as well.

A: C
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Q: [header] How to dissolve salt in water [title] Choose a salt. [step] There are many different salts available, and they all have different properties. The amount of epsom salt (mgso) that you can dissolve into a given amount of water at a given temperature will differ from the amount of table salt (nacl) that you can dissolve into the same water. <sep> (A) [substeps] They are either very high or very low salt. If you want a higher, more valuable salt, opt for some which will replace or exceed the normal low salt content. (B) The coating of salt is usually smaller but in density, and ranges in mass. [substeps] Mgsos are the spiralizers used to dissolve salt, but they do not harden as readily. (C) [substeps] You can find sea salt at marine supply stores, farmer's markets, or health food stores. Salt behaves differently in different levels of water than table salt. (D) [substeps] If you are trying to understand the dissolution process in general, you should stick with using table salt since the particles are smaller and will therefore dissolve easier. If you need to study the properties of a specific salt, use that salt.

A:
D
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