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 handle a dog's nightmares [title] Decide whether to wake up your dog. [step] When your dog is having a nightmare, your first instinct may be to wake up your dog. However, this isn't always the best idea. <sep> (A) Waking up your dog would disrupt its sleep cycle, causing it to feel confused and possibly lash out at you. It's often better to let a dog continue sleeping through the nightmare. (B) If your dog's nightmares persist and you aren't willing to take the time to monitor your dog, it might be best to enlist the help of a veterinarian. There are several reasons for this : [substeps] When your dog is having a nightmare, your own judgment is impaired. (C) If your dog is claustrophobic or is fear fearful, you will want to be as calm as possible while your dog is having the nightmare. If the fear is mild to moderate, choosing an alternative position or location may not be a good idea. (D) While nightmares are real, traumatic experiences can also happen. [substeps] Nightmares also occur in dogs that have nightmares caused by trauma.

Ex Output:
A


Ex Input:
[header] How to outline text in gimp 2 [title] Have a gimp file open. [step] Have it ready to work on in front of you prior to selecting text by color and adding a stroke to the selection. [title] Select the text tool from your toolbox. <sep> (A) [step] A lowercase " a " for the text text toolbar will appear after choosing text. The first banner image is highlighted and showed directly below the stroke. (B) [step] It's the bold letter " a " button. You can also click on the toolbox, and type " t " to select text. (C) [step] Click step 1 on the tool tool. [title] Select make stroke on the gradient menu. (D) [step] Following the showing text and primary text options, select text tool from your gradient panel. [substeps] Select all dialoges then background text.

Ex Output:

B