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 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
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Q: The woman grab the cup with her mouth and drinks all the beer buttons up. woman wearing white shirt and white blazer <sep> (A) stands in a decorated white room holding a cup banging on a drum. (B) grab the rings and walks up the stairs. (C) comes up and put on the lady drinks beer with her mouth and face. (D) is in a bar and drinks a beer glass.

A: D
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Q: [header] How to tell a child about an absent parent [title] Be honest about a parent who has never been involved. [step] If your child has never met the other parent or if the parent has been absent for a long time, be prepared for lots of questions. Your child will likely want to know who the parent is, where he is, and why he is not involved. <sep> (A) [substeps] For example, perhaps your child just heard about the absent parent from a friend. Remember that your child is more likely to respond to the same questions asked by the absent parent. (B) Questions about an absent parent will most likely begin when your child starts school and begins learning more about classmates' families. [substeps] Answer basic questions about who the absent parent is, and consider sharing a photograph if you have one. (C) Therefore, keep your answers simple and honest. [substeps] For example, if the parent has never worked late or hasn't been home at all, be prepared for plenty of questions. (D) [substeps] Having an extended absence can help remind children about the other parent while also providing them with a good start to a relationship. Say something like " mom, today we went out to that restaurant that's right next to our house.

A:
B
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