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".

Example Input: A young boy is standing in front of a mound of sand and hitting the mound with his hands. The boy begins to stomp on the sand mound. the boy <sep> (A) continues to kick the puck back and forth while others are watching his game. (B) begins to try to climb the sand mound while people walk on the ocean front at the beach. (C) then sets down the stick and begins to clap his arms. (D) continues kicking the mound of sand until it sticks out.
Example Output: B

Example Input: A man named prvni kroky is on metal stilts outside and he begins, walking, jumping, running and moving and doing various movements while on his stilts and people around him are either sitting or walking doing their own thing. when the man <sep> (A) is done, the table is properly set. (B) stops jumping it has a black cage with a little trolley on the front, and he begins playing across the back with both items first removing the bars, turning the handle and then tightening the chain. (C) is done exercising and performing various moves and extensions for doing the extensions he begins to speak to the camera and such and a keyboard is shown up close. (D) is done demonstrating what he can do on the stilts he stops in his original spot to talk some more, waves and then runs off.
Example Output: D

Example Input: [header] How to heal gums after a tooth extraction [title] Bite tightly on the gauze. [step] After a tooth extraction, your dentist will place a gauze on the wound to stop the bleeding. Make sure to bite down tightly on the gauze to apply pressure to the area to stop bleeding. <sep> (A) Applying too much pressure or twisting your jaw violently can cause additional bleeding. [substeps] Other dental care strategies for bleeding include using warm water to keep the gauze clean and dry and cover gauze with a bandage as an extra cushion. (B) [substeps] If a tooth extraction is required, your dentist will prescribe you a regular prescription that you can take on your own. This can be useful for at a later date if the wound is uncomfortable and gets infected. (C) If heavy bleeding continues, you may need to reposition the gauze pack to cover the wound more directly. [substeps] Do not talk, as this may loosen the gauze and lead to further bleeding and delay the clot formation. (D) [title] Apply pressure for as long as the recovery time calls for. [step] For the first month after a tooth extraction, expect to experience little or no pain.
Example Output:
C