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 stop payment on a lost check [title] Check your account statement. [step] Before you initiate a stop payment on the check, you need to make sure it has not yet gone through. If your bank has already accepted the check, a stop payment won't do you any good. <sep> (A) [substeps] If you are unable to get a stop payment from your bank, you may wish to consider trying one of several other banks. [title] Avoid checking checks after they've expired. (B) Other circumstances may warrant a stop payment, such as : [substeps] If you purchased a loan, you might want to deduct the balance. A stop payment will result in interest, which you then pay off. (C) [substeps] Typically it's easier to check your recent transactions on your online account, or on your banking mobile app if you have one. Make sure the check has not cleared, and also check your pending transactions to make sure it hasn't been presented yet. (D) If you believe it was lost, you can call the bank directly. [title] Confirm that you can't keep the check.

Ex Output:
C


Ex Input:
[header] How to make black coffee [title] Purchase freshly roasted, whole bean coffee. [step] If you can't purchase it directly from the roaster within a week or so of it being roasted, opt for a vacuum-sealed bag from a reputable national coffee-bean roaster. [title] Purchase your own coffee grinder, or grind it in the store. <sep> (A) [step] If possible, choose a burr grinder in place of a normal blade grinder. For best results, grind the coffee fresh right before brewing each day. (B) [step] Grind coffee beans in the near-black zone of a coffee grinder. You can use either a regular-size grinder or a pre-grind grinder to grind your coffee. (C) [step] Modern coffee grinders have drawbacks, as they require higher temperatures to make purified coffee. Where possible, purchase one that comes pre-boil. (D) [step] Print it onto a piece of paper, remove the lid from the coffee grinder, and grind the coffee beans in the machine's center. [title] Unplug the coffee grinder and plug it into the wall outlet.

Ex Output:
A


Ex Input:
A close up of a person's legs are shown with other people putting on shaving cream. the people <sep> (A) then shave their legs with shaving cream while moving their legs and turning it off. (B) are then seen running into a sink running water. (C) keep shaving and show off their legs in the end. (D) then begin shaving the other person legs.

Ex Output:

D