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 person is covering her legs with soap while she is standing on the bathtub. then <sep> (A) the woman follows the water to wash her legs on the side. (B) , the person takes a blade to shave her legs while washing the blade under the faucet. (C) , the person cleans the base of her legs with a toothbrush. (D) , the person pour the soap into the scrub pad in the water of the tub.

Ex Output:
B

Ex Input:
[header] How to make a mimosa bar [title] Choose a few types of sparkling wine. [step] No mimosa is complete without the bubbly. Start by selecting a few types of sparkling wine for your bar to accomodate different tastes and mix with different juices. <sep> (A) Dijon has 5 glasses : 1 glass white , 1 glass sparkling wine , 1 glass light rum and 6 glasses of bubbly. Different juices add different flavors, but not an exact science. (B) [substeps] Sparkling wines, like cabernet sauvignon, champagne liqueur, or wineries, tend to have a more tart sense. Sparkling wines, like white wine, are versatile and can become cold easily. (C) Try wines like : [substeps] A cava or brut for a dry taste prosecco for a light but sweet flavor champagne for a rich and creamy flavor sparkling rose for floral and fruity notes [title] Figure out the amount of wine you need. [step] The average bottle of sparkling wine is enough to make about six to eight mimosas. (D) [substeps] Reds, sudafed red, and a third color (one or more a grape have) will combine well and produce the mimosa. Red may have slightly acidic undertones so it improves the sweetness of both waters.

Ex Output:
C

Ex Input:
[header] How to improve mental math skills [title] Visualize the equation in your head. [step] The first step in solving a math problem in your head is to visualize the problem mentally. Imagine the numbers and the equation in your head. <sep> (A) As you solve portions of the problem, visualize the new numbers that you're working with. Repeating numbers mentally or verbally, in a whisper, will also help you to remember more significant numbers in the equation. (B) This way, you'll feel this new image when you see your math papers later in the day. [substeps] You may be more aware of your words and body language when you're visualizing the equation. (C) When you picture the equation, you then have a much better time because you are thinking of the process in your head, rather than the equations. [substeps] For example, imagine that math can be only done in a particular time period. (D) When you think about each answer (number, or word) create a picture about what could happen, and then try to make it into a happy picture. Once you have a picture of each answer in your head, work on how to make it into a happy picture of each part of your brain.

Ex Output:
A