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 prepare your skin for waxing [title] Let your hair grow. [step] Don't book a waxing appointment until you haven't waxed for least one to two weeks. Ideally, you should have 1/4 inch (. 635 cm) of hair in the area you want to wax. <sep> (A) Additionally, waxing will help repair damaged skin and nourish the skin. Let a few days or no more than a couple weeks pass between waxing times to allow for new growth. (B) Don't wait until your hair has grown beyond this length unless you absolutely have to. Shedding your hairs to cut them will prolong your wait time. (C) If it's not a waxing appointment, follow the instructions provided in the waxing kit for best results. [title] Apply a 30% moisturizing oil. (D) Waxing will be more painless and effective if you wait long enough to wax. [substeps] The exception to this is fine hair, like women's facial hair.

A: D
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Q: A man appears in a white t-shirt and black pants, barefoot and begins to showcase martial arts moves. The man begins using moves that exhibit floor work and light tumbles along with a headstand. the man <sep> (A) then gets a table lined with 5 different obstacles and walks around with the across object. (B) continues using moves that are dark and completely off the vic to show talent. (C) progresses into controlled somersaults and side to side work along with high kicks. (D) pauses for a second and then starts to demonstrate more moves and touch tone.

A: C
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Q: [header] How to polish rocks [title] Choose the right rock. [step] You can polish any stone you wish, but there are certain characteristics of a stone that will make it easier to polish. If you want an easy stone to polish, pick a somewhat softer stone like onyx, limestone or calcite. <sep> (A) [substeps] You can polish diamond, granite or ceramic stones by cutting thin pipe holes or inserting dry mortar into one side of each hole. Look for a stone that resembles a diamond, but not necessarily a diamond. (B) Otherwise, a smoother, more pumice-like stone will be more difficult to polish. [substeps] Emeralds and equilateral manganese are both excellent mineral polishes. (C) Stones that are very hard will take a much longer time to polish. However, though hard rocks take a long time to sand, they yield more shine than softer rocks. (D) Softer rocks will actually work more well, and might look better to polish very old stones, but brighter stones tend to chip quicker. [substeps] Rubies, sapphires, and emerald are good options.

A:
C
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