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 buy a wood burning stove [title] Consider your heating needs by evaluating the size of your home. [step] You will need to determine the heat load necessary to maintain the square footage of the area you want heated. Heat load is measured in btus, or british thermal units. <sep> (A) Inquire about btus and thermal units using online resources. [substeps] Btus heat packs can be found at home improvement stores, department stores, and some gas stations. (B) To determine how much heat you need, pay attention to the dimensions of each room you intend to fire in. [substeps] The larger the square footage, the larger your fire seats will need to be. (C) You will need 25 to 30 btus per square foot. [substeps] Measure each room to be heated with measuring tape. (D) Btus are rated from 2000-1000. Btus can be changed or altered depending on the size of your home.
[A]: C


[Q]: [header] How to find half of any number [title] Multiply the number by 5 (five), then move it a decimal point to the left. [step] 6 (six) times 5 is 30, for instance, so put the decimal point in between the 3 and the 0. That would just be 3! [title] Divide each number by 2 if you have two even digits. <sep> (A) [step] This is the most common number you'll see. Most also start with 1, but you can add in a number to improve. (B) [step] In our example , 16 = 53. If you have two numbers, the 2 would be 7. (C) [step] Divide the digits individually, then put them together. That may make a complicated process much simpler. (D) [step] For example , 2 + 3 = 2, so don't add 2. [title] Multiply the number by 5 (6), to get 5.
[A]: C


[Q]: [header] How to choose the best things to sell on entrepreneurial day [title] Sell hot dogs. [step] Everyone gets hungry and needs to eat, and hot dogs are a popular option most consumers. They're delicious, easy to prepare, and fun to top with a wide variety of toppings. <sep> (A) Grilled and sour cream is the best way to increase your customer base. [substeps] Choose at least two hot dogs or one cold side, or one frozen side if you're out and shopping for them. (B) Set up a grilling station and be sure to offer buns and basic toppings like ketchup and mustard. [substeps] Charge extra for more elaborate toppings. (C) [substeps] You may want to shop at $20 if you're ordering a hot dog, $5 if you're ordering a popular burger, and $5 if you order something else. Check how big of a section you'd like to sell your hot dogs on. (D) Recipe books are a great source for suggestions, and online search platforms are also excellent sources of coupons. If you want to do just a run to get a certain type of hot dog, it's a great idea to spend some time checking for these options in specialty locations.
[A]:
B