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". 

Input: Consider Input: [header] How to make simple five minute frosting [title] Beat the butter in a medium-sized mixing bowl until smooth and fluffy. [step] You can use an electric mixer or a food processor. [title] Add the powdered sugar a small amount at a time. <sep> (A) [step] Use the stand mixer to mix the ingredients on medium speed until smooth and sugar dissolves. Add the vanilla, milk, and eggs. (B) [step] It will increase the strength of the frosting gradually. [title] Once 1 ½ teaspoons of powdered sugar is added, whip the butter. (C) [step] The mixture will appear dry and crumbly at first, but it will become smoother. [title] Gradually stir in the half-and-half or milk until you have reached your desired consistency. (D) [step] The more powdered sugar the healthier the frosting is. [title] Add the vitamin e oil, and stir to combine.

Output: C


Input: Consider Input: [header] How to start a nanny business [title] Get a list of prospective nannies. [step] Advertise in newspapers, online ads, put signs up, and give flyers. If you have experience in child care, solicit coworkers and contacts to see if they are interested in providing nanny service or if they know others who would. <sep> (A) Online groups like the sunshine and children's network are great places to begin looking. Be sure to approach your current employer, perhaps to ask if they know of a nanny who would be willing to offer you a job. (B) Also keep in mind if someone does not want a flyer they are not interested so don't bug them they might spread the word, ruining your business. [title] Do a thorough background check on each candidate. (C) [substeps] Make sure to get a roster in question. Nanny cannot become a nanny, but a general guideline for a daycare provider's operations is to have several nanny's staff. (D) Maybe advertise with a school newspaper or with individual business cards. If the nanny is from a more prestigious family, contact them later so they can accept your offer.

Output: B


Input: Consider Input: [header] How to build a dog agility course [title] Create some obstacles. [step] These are important for increasing your dog's agility and running skills. [title] Make weaves (a type of obstacle dogs weave through). <sep> (A) [step] You can make those from pvc pipes as well but they are more time consuming. [substeps] The best way to do this is to buy very large, tall orange cones, line them up in a line and have your dog weave through. (B) [title] Build a bridge if it is a simple obstacle course. [title] Build a new field of seeds if this is an obstacle course. (C) [step] Make them part of your training course. [title] Consider creating a class or two for your dog because you will want the academy to know you are training. (D) [step] Also remember that the energy generated by weaving and running around obstacles can send them flying. This step is necessary if you want to move your dog for mobility.


Output: A