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 stay young [title] Challenge yourself to try new things. [step] Go out dancing, joining a book club or a hiking club, or try out for a community chorus. Singing, dancing, and finding new ways to stay active all contribute towards keeping a youthful outlook on life. <sep> (A) Here are some things to take into account : [substeps] Spend less time studying or practicing. Read only the books you are interested in, do not read video games, and do not browse old magazines or websites. (B) [substeps] Don't be afraid to laugh at yourself. Trying new things with joyfulness raises your levels of dopamine and energy levels. (C) [substeps] Try a fun game like punch or catch. Then, in the morning, you'll feel fresh and energized, and all your racing thoughts will be washed away. (D) If you can, challenge yourself to put in hours or weeks into each of these activities. Try hard but don't give up if you cannot help someone in need.

Ex Output:
B

Ex Input:
[header] How to attract deer [title] Check local laws before establishing a feeding area. [step] In many states, feeding deer at certain times of the year is illegal and is discouraged. Deer that are fed may become nuisances to people. <sep> (A) [substeps] Check the local laws in your state before you start setting up a feeding area. You can look up laws in your area by visiting the state's hunting and/or grassland authorities website. (B) [title] Make sure that you locate your food plot away from roadways. [step] Deer might not come close if there is a lot of traffic nearby, and luring deer into the path of traffic can have serious consequences. (C) This could cause problems with highway safety, private park privacy, or other amenities you have at your local livestock shelter. If necessary, research the regulations in your area before making any kind of split-second decision. (D) Upon obtaining permission, you may get permission to feed a deer in your community. [substeps] The designated feeding time for deer is 8:00 am , 2:00 pm, or 10:00 pm.

Ex Output:
B

Ex Input:
[header] How to use morningstar to evaluate a stock [title] Go to the morningstar website. [title] Under the morningstar logo is a small white box titled " quotes. [step] " enter the symbol of a stock you're interested in. <sep> (A) Under that, you may want to find a check or money order that you want to use for the stock for that charity. The check or money order should be listed on the left hand column of the website. (B) The spreadsheet is then shown in-view. [title] Select the type of stock you want. (C) This is usually a three-or four-letter symbol (such as " aapl " for apple, inc. or " xom " for exxon mobil corp. (D) [title] Click " create " below the font field. [title] Review all series you're interested in.

Ex Output:
C