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 train chickens [title] Use treats to motivate your chickens. [step] Chickens love food, so treats are good for reinforcing the behavior you're trying to teach them. When training your chickens, give them a treat after they do something right. <sep> (A) While trotting your chicken, offer them treats like carrots. Because you can literally feed them, birds will feel good being shown treats. (B) If you don't have treats at home, you can also play a game of fetch or running around with your chickens until they give you the treat. [title] Hold your chickens while you're training them. (C) If possible, give it after every meal, otherwise the chickens will eat the treats. [substeps] Food treats are also used to reinforce your chickens' behavior. (D) Try to use treats that are different than their regular food. Some easy treats that chickens love are dried mealworms, bird seed, fruits, and vegetables.
[A]: D

[Q]: [header] How to elevate your hand while sleeping [title] Sleep on your back or side. [step] In order to elevate your hand while you're sleeping, you'll need to sleep on your back or on the side opposite of the arm that needs elevation. This is the easiest resting position for elevating your hand. <sep> (A) [substeps] Lying on your side not only has been shown to help alleviate hand inflation, but it also improves circulation in and around the hand and wrist joints. It's also more efficient than sleeping on your side. (B) [substeps] You can use a pillow to support your arm when you start to feel like your hand's elevating off the ground. Place a rolled up towel over your head to help prevent air from pooling near your arm. (C) [substeps] Sleeping on your stomach won't allow you to elevate your hand as easily. It's much harder to prop it up from behind if you're lying flat on your stomach. (D) [substeps] Lie on your back with the pillow propping your head up at a 45 degree angle. Your dominant hand should support the bottom of your pillow.
[A]: C

[Q]: [header] How to make a number 3 cake [title] Bake 2 round cake layers that are 8 inches (20 cm) wide. [step] Use your favorite cake recipe or cake mix and pour the batter into 2 cake pans that are 8 inches (20 cm) across. Bake them for as long as your recipe or instructions suggest. <sep> (A) [title] Grease a 10-inch (25.4 cm) cake pan and grease each side of the pan. [step] For a slightly more personal effect, you can place a layer of chocolate syrup on each of the 18-inch (30. (B) [substeps] If you're making the cake for a party, you may need to bake it for a longer period. If you're preparing the cake for individual consumption, you may need to bake it for a larger batch. (C) [substeps] Try to bake the cake according to the cake recipe's instructions. [title] Cool the cake layers before pouring the cake mix and water over them. (D) When they're done, you should be able to insert a toothpick and pull it out without bringing any batter or crumbs out with it. [title] Let the cakes cool in their pans for 5 minutes.
[A]:
D