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". 

[Q]: [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.
[A]: C


[Q]: [header] How to visit the top 10 tourist destinations in london [title] If you are planning to visit london why not try visiting the following must-see places? [title] Visit the british museum at great russell street. The british museum's art collection includes artworks from all over the world. [step] The british museum houses the rosetta stone, sculptures from parthenon, and the portland vase. <sep> (A) Visit art galleries, amazing places, and places which you have never been. [substeps] Do not forget to ask for drivers from the london lights station, trinity quarter , 121 lights avenue-this is the only modern route to london. (B) The british museum is considered as one of the best in the world and it was established in 1753 via the act of parliament. The first collections were from sir hans sloane. (C) They are also accessible by either gps or facebook. [substeps] If you are going to the london museum, press the' get started' button. (D) Occasionally you may see art museums in london that serve as places to observe british history-like the australian museum. [title] Then take the ferry from oxford to mcdonald's, the capital city of london.
[A]: B


[Q]: [header] How to unclog a drain with salt and vinegar [title] Mix salt and vinegar. [step] In a small bowl, pour 1 cup of salt. Add 1 cup of vinegar. <sep> (A) Place 1 cup of distilled white vinegar in a small bowl. The salt and vinegar will help the solution penetrate the clogged drain. (B) Stir well so the salt soaks up all the vinegar. Continue stirring until the mixture is smooth and even. (C) Mix the salt in, going slowly but bringing the mixture to a boil. Always stir the solution well, making sure nothing gets broken. (D) If possible, give it an extra stir. The vinegar will set the clog, and it will give it a smoother initial scrubbing.
[A]:
B