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". 

Input: Consider Input: [header] How to have healthy kidneys [title] Stay hydrated. [step] Staying properly hydrated is one of the best ways to keep your kidneys healthy. Without adequate water, your kidneys can lose some of their ability to filter your blood, and may even become damaged over the course of your lifetime. <sep> (A) [substeps] Drinking water helps your kidneys flush sodium, urea, toxins, and waste out of your body. By staying properly hydrated, you can significantly reduce your risk of developing chronic kidney disease. (B) Aim to drink at least 8 fluid ounces of water every day. This will help reduce any additional fluid or waste in your system and will also allow you to more easily relieve the symptoms of kidney problems. (C) Insufficient water will contribute to poor kidney function, such as kidney failure and rheumatoid arthritis. Trying to drink water with no filter might cause further kidney damage. (D) [substeps] The best amount of water recommended by experts is 1 gallon a day (2.5 liters) each. Drink bottled water, but you don't need soda, fruit juices, or other non-carbonated beverages; opt for bottled water.

Output: A


Input: Consider Input: [header] How to make green enchiladas [title] Wash the chicken. [step] Rinse each chicken part thoroughly in cool water, then pat them dry with paper towels. [title] Poach the chicken. <sep> (A) [step] Cut the chicken in half, then run a slotted spoon along the sides to allow the chicken to cook evenly. Poach for half an hour, or until the chicken is tender and no longer have its skin burned. (B) [step] Melt the olive oil in a saucepan over medium heat, then add the chicken, poaching mixture and poaching water. Use a wooden spoon to stir well, then place the chicken in the oven. (C) [step] Place the chicken pieces in a large pot. Cover with an inch of water and sprinkle in a teaspoon of salt. (D) [step] You'll need about 8 tbsp. ( 240 ml) of chicken fat, since it will cook in the broth.

Output: C


Input: Consider Input: [header] How to celebrate march fourth [title] Have everyone who would like to participate make a list of goals to achieve by march 4th of the following year. [title] Establish a prize to be given to the person who does the best at achieving their goals. [step] You can try spray painting one of your old boots gold, then have everyone who is going to participate contribute a dollar to go into the boot trophy. <sep> (A) Punch decorations into each boot, tape squares around the outside, and read the prize titles aloud. Invite a few friends and establish an activity for the teams involved. (B) You can also just fill the boot with booze, but be careful that the boot is clean. The first year you will have the party, but no prize, as no one will have achieved their goals yet. (C) Mix up the prizes for the winner to make them seem like they want to. [title] Decide on a specific date on june 1st the following year in order to give everyone something special. (D) [title] Write a time-stamp for everybody to reflect on in a safe place, preferably across two or more rooms. [step] These will sit somewhere the party can sleep.


Output: B