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: [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.
Example Output: A

Example Input: [header] How to host a housewarming party [title] Make a guest list. [step] You should start keeping a guest list before you start working on the invitation. Be sure you include any friends, family, and coworkers that you would like to invite into your new home. <sep> (A) This will help ensure that the party is pleasant and enjoyable for your guests. Make sure that the guest list is segregated in different places. (B) [title] Decide ahead of time whether you will invite guests with a " weekly " or " annual " package. [step] You should also design and print out your invitations carefully and make sure they reflect how the party will look. (C) [substeps] Limit the guest list to the number of guests appropriate for the amount of space you have available. If you have a small space, consider hosting 2-3 smaller parties rather than one big one. (D) This way, parties are easier to plan without the need for many less specific guests. [substeps] Include guests that you know will be a good fit for your home's atmosphere.
Example Output: C

Example Input: A man in a green t-shirt talks to the camera while standing next to a rock climbing wall interspersed with still shots of the wall and the wall elements (ropes, labels). a man <sep> (A) is shown climbing the wall while strapped into a protective harness. (B) rolls cellophane in several layers along the wall along with a rod and grind of paper along the wall. (C) is sitting down in front of the wall on a wooden chair on the look-out board outside the rock climbing wall. (D) talks and numbers on a green wallphone as someone holds a pipe.
Example Output:
A