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 wear rings [title] Use a ring-sizer to find the appropriate size for a ring. [step] Ring-sizers are plastic sheets with a variety of different sizes on them, which you can slide your finger into to find an appropriate fit. These are available at every jewelry counter for sizing rings. <sep> (A) [substeps] Your ring should fit your finger comfortably. It needs to be snug enough so that it stays on, but loose enough to slide off at the knuckle. (B) Use your ring-sizer to find a size that fits your finger size-which sounds easy. [substeps] A ring size 14-inch (27.6 cm) is approximately the ideal size, though it can add a mature look to a ring. (C) Many rings, especially those with 3 or more sizes, will fit comfortably onto your ring. [substeps] You can also do this freehand by simply finding a ring-sizer with a similar size. (D) When one is worn, do not buy one with rounded sides. This is likely to break or splinter, and it will probably have uva, bva, and uvb features of the ring.

Output: A


Input: Consider Input: A woman is shown leaning against a wall. Several ballerinas are shown in a room. different techniques <sep> (A) are demonstrated by them. (B) are shown for performance. (C) are shown for ballroom dancing. (D) are shown to teach the groups how to dance.

Output: A


Input: Consider Input: [header] How to sue someone who failed to credit your work [title] Send a letter or email. [step] You should notify a person that they are infringing your work. Sometimes, people accidentally copy something that you have written. <sep> (A) This generally doesn't warrant a lawsuit. Instead, you can strike a deal and sue the person in person. (B) If this happens, you should send a letter or email to clarify that it is a violation of federal law. [substeps] Ask for clarification before you send the letter. (C) They might not even be aware that you are the author. You can send a letter asking for your material to be removed or asking for compensation. (D) Also reach out to an editor or contact the publisher for a letter or email. [title] Use the internet to find legal services.


Output: C