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 be happily married [title] Don't expect your happiness to be derived from someone else. [step] The most common mistake made in the quest for a happy marriage is to expect that someone should be " making " you happy. The old saying " to have friends requires one to be a friend " applies. <sep> (A) Regardless of whether your happiness is due in some sense to someone you love or something to do with your own, you should hear and be happy. [substeps] Two people don't get married just because there is someone else there to provide love and companionship. (B) Refrain from assuming that your friends and family love and care for you. In fact, expectations for your happiness are far from accurate. (C) If someone is what you expect them to be, try to be a " friend " with them. They will likely be incredibly happy when they express their true love, and please, observe them for a moment before delving in deeper. (D) [title] Focus on how you can make the marriage happy. [step] The only way you can be happy is by focusing on your own efforts to make your marriage partner happy.

A: D
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Q: [header] How to cure swollen gums [title] Talk with your dentist. [step] Make an appointment with your dentist if you notice that your gums are bleeding or irritated throughout the day. You can also bring up this issue with your dentist when you see them every 6 months for a cleaning. <sep> (A) [substeps] You can also get a referral to a dietician who specializes in simply treating swollen gums at home. They may be able to diagnose swollen gums by looking at how your gums feel. (B) You can ask that your dentist discuss all of the possible treatment options with you. [substeps] Your dentist will likely order annual x-rays for you. (C) Dentist visits will help clear up any bleeding and ease your pain. [substeps] Some gums naturally bleed after eating. (D) You might end up visiting your dentist twice a year for repeated cleanings. [title] Avoid gum infections if you suffer from a periodontal disease.

A: B
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Q: [header] How to make a pond [title] Decide what kind of pond you want. [step] What function will it serve? Think about the features you'd enjoy most as you begin constructing plans. The most common backyard ponds fall into one of the following categories. <sep> (A) [substeps] Think about specific factors that interest you. For example, you might want your pond to serve a wide variety of people and animals. (B) [substeps] A wildlife pond is perhaps the easiest type of pond to construct. It doesn't require a pump, so it needn't be close to a source of electricity. (C) [substeps] Backyard ponds are public ponds for swimming. Private ponds are specially designed to allow soft ponds to alternate under the water allowing shallow water to escape, if desired. (D) [substeps] A pond's function is governed by the needs of the child. If you intend to water plants for example, you'll need a pond to be well-stocked and well ventilated.

A:
B
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