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:
[header] How to make a cow cake [title] Shape the cakes. [step] You'll need a head, nose and ears to form the cow cake as a whole. Prepare each cake as follows : [substeps] Trim around the top rim of the smaller cake. <sep> (A) Then cut a crescent shape from one side. You should be left with a slightly off-centre oval shape. (B) Pinch the top rim of the larger cake closed. Make sure that the top rim is lined with icing. (C) You'll want to end up with six cakes. If you want a bigger cake, place the smaller cake on your table or set it on the rack. (D) Cut two holes around the circumference of the bowl side. Make a circle inside the side of the smaller cake.

Ex Output:
A


Ex Input:
[header] How to reduce unnecessary antibiotic use [title] Be more patient with your illness. [step] As a patient, it can be hard to have an illness that's causing uncomfortable symptoms and lots of distress; however, many respiratory and intestinal infections clear up within a few weeks and are not life threatening. As such, take the time to assess your symptoms before visiting the doctor. <sep> (A) This can help avoid unnecessary antibiotic use. [substeps] The rule of thumb is to allow symptoms like mild fever, congestion, running nose and/or cough to run their course, usually about seven to 10 days. (B) That way, and possibly minimize all complications. [title] Be proactive about completing your medical check-ups. (C) [substeps] For instance, your doctor may ask for certain vaccinations and vaccines. You may want to call your healthcare provider to confirm the vaccine has been given and how well the bacteria is working. (D) [substeps] Watch for signs of illness that reoccur after you stop taking prescribed medication. Conditions such as repeated inhalation of a foreign substance can result in chest pain.

Ex Output:
A


Ex Input:
[header] How to study without looking at books or notes [title] Know what type of a learner you are. [step] There are three types of learners: visual, auditory and kinesthetic. [substeps] Visual learners learn by looking at charts or graphs. <sep> (A) Kinesthetic learners understand the magnetic properties of the material they're studying by looking at an instrument in response to movement. Auditory learners understand the musical concepts of the material they're studying. (B) An auditory learner thinks through the topics presented. Kinesthetic learners will write down and study content presented on a spreadsheet or in a textbook. (C) Auditory learners learn by looking at vocabulary objects. Kinesthetic learners study as a group, not the entire class. (D) Using colorful posters that are full of information, mind maps or flashcards tends to work best for visual learners. Try using flashcards and write your notes in a colorful way.

Ex Output:

D