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 use docusign on pc or mac [title] Open the docusign email. [step] Use this method if someone sent you an email containing a docusign document that must be signed. [title] Click review document. <sep> (A) [step] This will take you to the archived documents section. [title] Click the document you wish to delete. (B) [step] When the email is finally redirected to your email inbox, you'll see a checkmark beside the discussion item (e.g.: " news sources "). [title] Click the checkmark next to your reference item item at the top of the current page. (C) [step] Your document will have been reviewed by the ftc. Ask for experience diagnosing ftml errors. (D) [step] It's the yellow button in the email. [substeps] If the sender requires you to verify your identity, follow the prompts to do so.

Ex Output:
D


Ex Input:
[header] How to clean rubber boots [title] Wipe away light dirt and grime. [step] If your boots aren't especially dirty, you can usually clean them easily with a damp cloth. To prevent dirtiness from building up on your boots and causing longer cleaning times, do this after each time you use your boots. <sep> (A) Before handling an object or stepping on something wet, make sure you wipe it away on a rag first. Use a mild soap and water to wipe off even the smallest traces of dirt. (B) [substeps] To increase the dirt fighting potential of your damp cloth, mix 1 tsp (5 ml) of dish soap with a ¼ gallon (1 l) of water. Douse your rag in this, and wipe down the boots. (C) [title] Grind three pounds (177 g) of dry powder on a coffee grinder. [step] The dry powder will help to transfer dirt and dust to the boots. (D) This will clear little dirt and grime off of your boots, leaving them looking brand new. [substeps] If your boots are already cleaned, you may need to consult a shoe store or partner to inspect them for a better cleaner.

Ex Output:
B


Ex Input:
A lady stands at the end of a hopscotch court. The lady then jumps across the hopscotch court towards the right. the lady <sep> (A) then returns across the hopscotch as if pulling a rope. (B) then hops back where she started. (C) then jumps and lands on the board. (D) is scored and her score is shown on a paper.

Ex Output:

B