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 make healthy mashed potatoes [title] Wash and cut the potatoes. [step] Wash 1 1/4 pounds (567 g) of your potatoes. You can also use a mix of potatoes and root vegetables for a variety of nutrients. <sep> (A) You can discard the peels, pits, and skins to make only healthy mashed potatoes. [substeps] The mashed potatoes will have a mildly sour texture after this step. (B) Leave the skin on the vegetables and cut them into 1-inch (2.5 cm) pieces. [substeps] Ensure that the pieces are the same size, so they cook evenly. (C) Wash the potatoes out of a colander and rinse them under clean running water. Then rinse each potato under cool, running water for about 5 seconds to remove dirt. (D) Wash the potatoes under hot tap water so they're soft and ready to eat. [substeps] Fresh or frozen mashed potatoes will last 7 to 10 months.

A: B
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Q: [header] How to improve your leg flexibility [title] Start off with the " easy pose. [step] " sit on one or two folded blankets with your legs stretched in front of you. Bring your legs in and sit cross-legged, and make sure your knees aren't at a level any higher than your hips (sitting on the blankets will help with this). <sep> (A) Lift your feet (they should be positioned vertically in front of you with your feet shoulder width apart) off the blankets. [substeps] Get slightly more rigid by taking big strides forward and focus on the floor around you. (B) Do the pose for 4 to 6 sets of 10 repetitions. [substeps] You can use your foot in this pose if you want to strengthen your leg muscles. (C) [substeps] Many people find it hard to do a basic pose with their legs crossed before they can complete yoga poses like the " leg dog " pose. This exercise can be coupled with the' loom pose' to improve your leg flexibility. (D) Don't let your chest sink down: hold your chest out and pull your shoulders back. [substeps] Hold this pose for several minutes, and feel the stretch working through your quads, hips, and lower back.

A: D
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Q: [header] How to be a good leader at school [title] Know your strengths. [step] Knowing your own strengths and what you care about will help you choose what area of leadership to focus in. Do you love helping people? Consider joining a volunteer organization for the needy. <sep> (A) Even if you're not the compassionate, role-playing kind, work on your strengths as well. [substeps] Think about what qualities you care about. (B) Choose a school that provides a good environment to help people. Get to know friends, socialize during times where there is a need, and stick to your support system. (C) Do you have a passion for writing and enjoy working with a team? Maybe the school newspaper would be a good fit for you. If you're a people person and you'd like to work toward the good of the school community, consider joining the student government. (D) Do you like working with kids and being the parent of the whole family? Think about what area of education you would like to serve in. Try reproducing knowledge from one area of education into the next, and stay within these two as long as you can.

A:
C
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