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 pick a healthy sugar glider [title] Find a breeder. [step] If you want a sugar glider, your best option is to find a breeder. Breeders work specifically with sugar gliders and will have more knowledge about how to care for them, therefore increasing the risk of you obtaining a healthy pet. <sep> (A) [substeps] When visiting a breeder, look at their food and water dishes regularly. Good breeders will tell you how often and provide you with other food and water containers. (B) [substeps] Ask other breeders at local pet stores about their experience handling sugar gliders. If you want a sugar glider in your home, you'll want to make sure they have a dry skin. (C) [substeps] Finding a sugar glider breeder can be difficult. It's not as easy as finding a breeder for a particular kind of dog as there are few specific networks for breeding sugar gliders. (D) [substeps] If you will have a sugar glider in your home, breed it from their own genetics and pedigree, not the other way around. Don't get a sugar glider that has a steady and well-structured life.
[A]: C


[Q]: [header] How to clean a plastic water tank [title] Open the outlet valve or tap. [step] The first step to cleaning your tank is to empty all of the water from it. To do so, open the outlet valve or tap at the bottom of your tank and let all of the water flow out. <sep> (A) [substeps] You may find that there's extra water in your tank that you need to empty. Read the instructions carefully to see if your water is full enough to remove. (B) You will have to remove several pieces of tank flooring to access one. For the best results, take the steps above. (C) Then, use a bucket to wipe the water down away from the water line, then gently empty the tank contents into the toilet. [substeps] You should also clean the water tank once every few months to keep it clean. (D) [substeps] Connect a hose to the open valve in order to direct the water to a location where it will not cause any localized flooding or erosion. Permanent water tanks have a washout valve that is located at the base of the tank.
[A]: D


[Q]: Man is wearing orange sweater and shorts and is skating in paved street. Grey car is behind the skater ridin slow in street. cars <sep> (A) are in the street and the skateboarder start to glide way pass the skater. (B) are passing by a skate especially while in street. (C) are prked on a side of the street. (D) keeps going down the street and in an open plaza is standing a building and nears the speedo.
[A]:
C