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 buy land in colorado [title] Figure out how much you can afford. [step] Start by using an online mortgage calculator to determine how much you can afford to spend. These calculators normally ask you to input your income and associated expenses (e.g. utilities, other loan payments, etc. <sep> (A) ) by the year in which you obtained the land, and how long you wait for payment. [substeps] Once you have figured out the amount, use that as a guideline. (B) ) in order to find the value of your property as a whole. Consider the following : [substeps] You cannot start with a simple down payment. (C) ), as well as the months that you were unable to make the payments. [substeps] Each time you make a mortgage, you will need to subtract the following from your net expenses: home equity interest, vacation pay, expenses for meals and healthcare (e.g. (D) ) and then will determine how much you can afford to spend on a monthly mortgage payment. These calculations also take into account interest rates, mortgage terms and amortization.

Ex Output:
D

Ex Input:
[header] How to blacken steak [title] Choose new york strip steaks or rib eye steaks. [step] You want to use these lean cuts because they will cook evenly and blacken well. Choose steaks that are about 3/4-inch (1.9 cm) thick. <sep> (A) [title] Defrost the steaks completely in the refrigerator overnight. [step] Do not defrost them in the microwave, or you will ruin the process of blackening them. (B) Look at the internal temperature of the sirloin steaks and see if they are ready to be grilled. Use a grill thermometer to check for the internal temperature of the steak when it is on the grill. (C) If you don't want a table full, for instance, skip the steaks. [title] Sear the steak at 180 degrees. (D) [substeps] Before you cook the steaks, check each raw side. For thicker cuts, use 1/4 to 1/2 cup (1.7 to 1.75 g) of brisket for each steak.

Ex Output:
A

Ex Input:
[header] How to do your book report on time [title] Pick something you'll be interested in reading. [step] When you have to do a book report or some kind of homework project, you should choose something that captures your interest. You'll have to spend a lot of time reading and working on this assignment, so try to choose a book that seems exciting. <sep> (A) This can be anything from fiction to science to humanities books. After picking something, choose a specific object (such as a sculpture or a solid object that some breeds or humans breed) to write about. (B) [substeps] If you pick a book that is boring to begin with, it will make finishing your book report that much harder. You can also read a book you are interested in more quickly since it will hold your attention better. (C) You can also pick an assignment with a reading point on it. [substeps] It may help to pick a point that has specific order and structure as you read it, so you'll have a better time while reading. (D) Don't pick something that's too difficult-people often have trouble with book report due dates. Common books that you will be interested in visiting are libraries, bookstores, colleges, and other places where you might be interested.

Ex Output:
B