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 scented rocks [title] Purchase supplies from a local department store or craft store. [step] You will need plain flour, salt, food coloring and essential oils. Essential oils are oils that have been extracted from various plants. <sep> (A) You do not need to use all different oils, but big quantities will work. [substeps] Choose oils that you associate with fresh fruits and vegetables and herbs. (B) It can be easily purchased at craft supply stores or you may be able to find them online. Get an essential oil primer, then make sure your acrylic rock is thoroughly coated. (C) You can also purchase essential oils from craft stores, or you can order a variety of essential oils online. [title] Mix together 1/2 cup (118 ml) of plain flour and 1/2 cup (118 ml) of salt in a mixing bowl. (D) You will need and obtain the following materials : [substeps] A 40 oz mixing bowl large enough to fit the stones. If you do not have these materials to gather, a mixing machine at an arts and crafts store can be more economical than a large ceramic mixing bowl, which will require little or no space.

Ex Output:
C


Ex Input:
A woman is seen speaking to the camera while pointing to an exercise bike. sh <sep> (A) men are seen installing grips around the bike's tire and then screwing in the tire. (B) it shows the man working out on the machine. (C) is shown preparing the machine and begins riding towards the camera. (D) adjusts the settings on the bike and climbs on top to begin riding.

Ex Output:

D