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". 

Example 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.
Example Output: B

Example Input: [header] How to teach your dog to speak [title] Choose your reward. [step] Pick something your dog really loves; the better the reward, the easier it will be to teach your dog. If your dog loves to play, you can try using her favorite toy and playing with her when she barks. <sep> (A) In some cases, you can train your dog to bark through verbal praise. [substeps] Figure out your dog's reward based on cultural context. (B) Point out what your dog likes to play with and put a look on the chart indicating what she wants to learn. [title] Tell your dog to " sit ". (C) Most people, however, will find that treats are the most effective way to teach a dog. The best treats will be ones your dog loves, and which are also easy to carry, easy to break into pieces, and healthy. (D) If her bark is off-putting, encourage her to try other tricks, to avoid barking. [substeps] If you provide a toy or two, this will be enough to train your dog to try the reward.
Example Output: C

Example Input: Words are being displayed across the screen that read how to make the perfect sandwich. the ingredients you will need <sep> (A) are bread, cheese, ham, turkey sub kit deli meat, kraft real mayo, spicy brown mustard, seasoning and a knife. (B) are on the counter and just lie on the counter. (C) is displayed along with carrots, onions, tomatoes, and vation. (D) for a delicious sandwich are shown on a black table as you idgeting the ingredients.
Example Output:
A