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 Q]: [header] How to make vegan egg drop soup [title] Heat the soy milk in a saucepan to 180 ° f (80 ° c), measuring the temperature with a soup thermometer. [step] Stir the milk constantly with a wooden spoon to prevent scorching. [title] Combine the epsom salt and the boiling water, stirring well to combine. <sep> (A) [step] This creates the coagulant that will separate the soy milk into curds and whey. [title] Pour half of the coagulant into the soy milk and stir it once. (B) [step] Reduce the heat to low and allow the mixture to simmer for 5 to 7 minutes. Then remove the pan from the heat and wait for your soup to cool to room temperature. (C) [title] Combine the banana peels, peeled and dried-peas, and ginger together. [step] Pour this mixture into the saucepan and bring this water to a boil on medium-high heat. (D) [step] Make sure that you're heating the water and addition space before you begin. [substeps] Epsom salt can be purchased at very low prices at food supply stores.
[EX A]: A

[EX Q]: A machine draws a face on a pumpkin. the lights <sep> (A) and the paint on the pumpkin flicker. (B) turn off and it shows the carved pumpkin turned on. (C) flash as children shuffleboard across the pumpkin. (D) flash on and off.
[EX A]: B

[EX Q]: [header] How to make kvass [title] Put 1.5 liters of water into a pot and bring it to a boil. [step] For this recipe you will need 1.5 liters (0.4 us gal) of water. You can make more or less at a time, but make sure to scale ingredients properly. <sep> (A) [substeps] Covering the pot will make the recipe easier for customers and helps increase doproduction and growth of the ingredients. [title] Pour 1 1/2 liters (0.17 us gal) of salt into the water and add 5 drops of raspberry blossom oil. (B) [title] Take 2 slices of rye or pumpernickel bread. [step] Toast them in a toaster on maximum settings. (C) [title] Boil the water until the sugar dissolves. [step] It can take 2 to 3 minutes for the sugar to dissolve in the water, as indicated on the packaging. (D) [substeps] It is better to have one liter of water than multiple liters of water at once. You can also try adding 1 cup of milk at a time into the water without boiling.
[EX A]:
B