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: Man is unning wearing stilts in a skaet park. another man <sep> (A) is intoeyete a line ofdifferent people playing stilts on the park. (B) is jumping along with the first man in the skate park. (C) is unhing a calf thnke its in stilts starting to run with them. (D) is unrolling accordions.
Example Output: B

Example 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.
Example Output: B

Example Input: [header] How to make apricot coconut slice [title] Sift the flours in a large mixing bowl. [title] Stir in the coconut, sugar and butter. [step] Mix these ingredients together well. <sep> (A) ( this is the spot you want to clean. ) [title] Slowly add the sugar until half of it has been absorbed. (B) [title] Spoon the mixture into a swiss roll pan. [step] The pan should be lined with baking paper or pre-greased to prevent sticking. (C) [title] Pour the contents of the mixing bowl into the greased jam pan. [step] Be sure that the jam dough is gone when you move it into the bowl. (D) [title] Pour the mango mixture over the flour, sugar and butter mixture. [step] The dough should be just covering the mixture and you should be able to see some under the palms of your hands.
Example Output:
B