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".

[EX 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.
[EX A]: D

[EX Q]: [header] How to adapt your bathroom if you're blind or visually impaired [title] Create a place for everything. [step] If you are blind or visually-impaired, it is important for you to be able locate the items you need in your bathroom. In order to do this, you must create an organizational system. <sep> (A) Arranging your furniture in a way that makes sense to you is crucial for helping you know where everything is. If you don't have an organizational system, make some by placing some of your favorite items along the counter or toward the bathtub at home. (B) This way, you will always know where to find things. [substeps] For instance, you might store towels and washcloths on one shelf in your bathroom, and soaps and cosmetics on another. (C) The more organizing you make, the more time and energy you will be able to spend in your bathroom. [substeps] Try setting up a spot where you can actually see something. (D) This will be based on how you do your business. [substeps] Make sure your appliances are separated from your bathroom.
[EX A]: B

[EX Q]: [header] How to perform the heimlich maneuver [title] Determine if the person is truly choking. [step] A choking victim will often have their hands around their throat. If you notice someone making this gesture, look for other choking signals. <sep> (A) Choking with your eyes closed, look elsewhere for a pocket of air. Also note if the person has curled up or has collapsed. (B) Ideally, at this point a choking victim will be coughing by suppressing the flow of blood from their mouth. [substeps] A choking victim may often make these gestures subconsciously, so be sure to look for up-loud or correct signs. (C) You should only perform the heimlich on a choking person. Look for the following : [substeps] Cannot breathe or experiencing loud, difficult breathing cannot speak inability to cough effectively blue or gray color to lips and fingernail beds loss of consciousness [title] Let the person know you're going to perform the heimlich. (D) Common choking signals that indicate someone may be choking include : [substeps] Expanding of the esophagus pulling under their rib cage opening clenching or grinding the back of their jaw opened lips [title] Listen for growling or jaw clenching. [step] Individuals who are choking tend to roar loudly when they are nervous or anxious about something.
[EX A]:
C