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 Input:
A man combs his beard in front of a mirror in his bathroom. The man reaches down to pick up sizzors then trims his mustache. the man <sep> (A) kisses his mustache and looks still in the mirror. (B) sits in the bathtub to do shave then goes away to shower and change clothes. (C) picks up lotion which he applies to his neck. (D) shows off the trimmings.

Ex Output:
C


Ex Input:
[header] How to add potassium to an organic garden [title] Mix in muriate of potash or sulfate of potash. [step] Muriate of potash, or potassium chloride, and sulfate of potash, or potassium sulfate, are natural minerals. Muriate of potash tends to be cheaper, but the chlorine it contains can hurt the helpful microbes living in your garden's soil. <sep> (A) Gently mix these two together first, then add the zinc sulfate. [substeps] Zinc sulfate is readily available online, or in desalination solutions. (B) [substeps] You can substitute sodium thiamine (ipsin) or baking soda for sulfate because it is the most acidic fertilizer. Sodium thiamine is a common fertilizer in agricultural and organic gardens. (C) Sulfate of potash is safer, but it's a bit more expensive. [substeps] Check your product's label for specific instructions on how much to add per square foot or meter. (D) [substeps] There are many ways to add potassium to soil: you could use the most common method. You could sift the potassium into an empty feed colander and cool it before dropping it off.

Ex Output:
C


Ex Input:
[header] How to dye roses [title] Purchase some white roses. [step] Dye will show up the best on white roses. If you use colored roses, the dye will add to whatever color is already there. <sep> (A) [substeps] You can use azalea, blueberry, rose, foxtrot, or any rose you like! [title] Cut the roses open into cubes or square rows. [step] You can twist the rose or clip it onto the slit, etc. (B) The differences between different colors will make the look as unique as possible. [substeps] If you plan to paint roses with a black dye, take a black or red rose and apply black fabric to cover it. (C) For example, if you try to dye a yellow rose blue, you will get green. [title] Cut the stem under water at an angle with shears or a sharp knife. (D) If you use a different type of rose, you are less likely to see it as the color you want on your roses. They need to be faded before dye is applied to them.

Ex Output:

C