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]: A woman is shown leaning against a wall. Several ballerinas are shown in a room. different techniques <sep> (A) are demonstrated by them. (B) are shown for performance. (C) are shown for ballroom dancing. (D) are shown to teach the groups how to dance.
[A]: A


[Q]: [header] How to stay young [title] Challenge yourself to try new things. [step] Go out dancing, joining a book club or a hiking club, or try out for a community chorus. Singing, dancing, and finding new ways to stay active all contribute towards keeping a youthful outlook on life. <sep> (A) Here are some things to take into account : [substeps] Spend less time studying or practicing. Read only the books you are interested in, do not read video games, and do not browse old magazines or websites. (B) [substeps] Don't be afraid to laugh at yourself. Trying new things with joyfulness raises your levels of dopamine and energy levels. (C) [substeps] Try a fun game like punch or catch. Then, in the morning, you'll feel fresh and energized, and all your racing thoughts will be washed away. (D) If you can, challenge yourself to put in hours or weeks into each of these activities. Try hard but don't give up if you cannot help someone in need.
[A]: B


[Q]: [header] How to make a 3d dinosaur birthday cake [title] Mix your cake batter. [step] Cakes made from scratch will be denser and stronger than a cake mix. [substeps] Using the ingredients list above, combine sugar and butter, then beat in the eggs and vanilla. <sep> (A) Mash in some strawberry syrup in a utensil, allow everything to stick together on medium to medium speed, then mix with a spoon until well blended. Sift the dry ingredients in a separate glass sifter at low speed. (B) Mix flour and baking powder together, and then combine the dry ingredients with the sugar-butter-egg mixture. Use the milk to thin out the batter. (C) Beat until your ingredients reach the consistency of coarse crumbs. Add the cupcakes, yogurt, pumpkin pie topping and buttermilk until the frosting is frothy, about 7 minutes. (D) When the batter is crumbly, increase or decrease the mixer speed. Reduce or increase the beat to the lowest speed possible and slowly mix into cake batter.
[A]:
B