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: [header] How to make cream cheese brownie cupcakes [title] Pour the brownie mix into a bowl. [title] Stir using a wooden spoon instead of a mixer. [step] This will make the brownies more fluffy. <sep> (A) [title] Refrigerate the brownie mix overnight. [step] This will take care of any prep while the mixture is being made. (B) It's up to you which way you like your brownie! [title] Pour the brownie mix into each cupcake cupcake tube. [step] The height of each tube makes up roughly two cups of brownie mix. (C) This recipe is going to make the brownies more cake-like, which means we'll use an extra egg. [title] Preheat your oven at 350 f (177 c). (D) [title] Whisk together the dry ingredients in a mini mixing bowl. [step] If the dry ingredients are too wet, move on to the fluffy one.
Example Output: C

Example Input: [header] How to set up a baked potato bar [title] Prepare ahead of time, even the day before. [step] This way, the toppings will be ready and you can focus on preparing for the party event. Make sure all of your topping items are covered in their serving containers and put them into the refrigerator ahead of time. <sep> (A) [title] Put together your mixers and dipping sticks. [step] Using your pre-prepared ingredients, use the pouring and collecting method to start heating your ingredients. (B) [substeps] Don't prepare foods more than 24 hours ahead of time. Keeping them as fresh as possible is important. (C) [title] If you plan on using frozen toppings, have them freeze. [step] You want them to be thick enough to last. (D) [title] Cover the baking sheet with 2 " baking paper. [step] Turn the temperature to medium-low, and place the side dish on the baking sheet.
Example Output: B

Example Input: He finds a good place to hang his rope on the mountain and starts to climb up again. He decides to move it up a little bit more to a better spot. then <sep> (A) , he starts climbing again struggling a bit before finally making it over the tough spot. (B) he gets off the trail again and he doesn't see any dead leaves on the ground. (C) he starts to climb down again. (D) he begins to talk about the process when he is riding up the mountain.
Example Output:
A