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 Input:
[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 Output:
D


Ex Input:
[header] How to be a bondi lifeguard [title] Contact a surf life saving club in or close to bondi. [substeps] Just about anyone can volunteer to be a lifesaver at sydney surf life saving clubs. Surf clubs will be happy to chat to you and tell you what is required if you want to be a volunteer lifeguard. <sep> (A) [title] Find the best and safest surf-life saving club in your area. [substeps] Surf lifeguards live off the beach, and they will probably need two-way water transportation, quite possibly a car or bicycle. (B) Many will provide all the training you'll need. Call them, check out their websites or simply head down and chat to them. (C) This can be achieved by attending the lifesaving club on the first day, then going on to other lifeguard's clubs along the way. If there are lifeguards at any of their lifesaving clubs, talk with one of those lifeguards. (D) This is the only legal aspect of volunteering. They will be able to suggest hours of work that are perfect for you or your specific lifeguard job.

Ex Output:
B


Ex Input:
[header] How to manage student behaviour when relief teaching [title] Anticipate compliance. [step] Generally most students want to behave and very few really want the tension of getting into trouble. So if you give instructions, anticipate that the student will comply and act as if this is the case. <sep> (A) Even more, stay true to your own beliefs and values. In a mess with rules, expectations or general public opinion, the teacher in charge of classroom behaviour can very well become a jerk! When they improve just enough, students learn more. (B) [substeps] Assume that the student will follow what is told. You should like to cross say protocol, and show that incompliance is a constituent of behaviour. (C) [substeps] Try to counteract this by breaking things up. For example, if a student gives up an activity they promised they would finish doing in one week, and their new responsibilities are met in week one, cut the work that comes along. (D) For example, in your travels around the room you notice gina is reading a book and not doing her math. You take the least intrusive path, " thanks for putting that book away, gina.

Ex Output:

D