instruction:
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". 
question:
[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.
answer:
A


question:
A video of clipping a cats toenails is shown. Each paw is grabbed and the nail is pushed out and trimmed. the cat <sep> (A) paws are re-clipped making a clean appearance. (B) scrapes the nail clean before clipping it. (C) loss hurt but she's gotten over it and is now kicking back showing off her toe nails. (D) is oddly calm the whole time.
answer:
D


question:
[header] How to figure out if a girl likes you in middle school [title] Watch out for a change of style. [step] This may be her dressing more girly to get your attention or more like a tomboy so you think she's cooler and different to the other girls. [title] Look out for new hairstyles or more make-up, especially if she didn't wear make up beforehand. <sep> (A) [step] Many girls wear lots of make-up. [title] Even if she seems like more of a tomboy, try to think of why she is wearing what she does. (B) [step] Sometimes that can make a girl want to get different looks. [title] If she's made jokes about herself, makes you laugh or makes fun of you at school try to respond positively and see what response she gets. (C) [step] This is a good sign that she is trying to get your attention. [substeps] If you like her back, give her a compliment on her new style or make-up. (D) [step] Grab a small bit of colored eyeliner or eyeshadow to complete that look. If she used to wear a ridiculous pink, don't change it so much in middle school.
answer:

C