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 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.

Ex Output:
C

Ex Input:
[header] How to spear like a wrestler [title] Prepare yourself to approach your opponent. [step] Stand about four or five running paces away from your opponent. Make sure you and your opponent are directly facing one another. <sep> (A) Stay close together as you get closer, and make sure each of you make eye contact. Throw your dominant leg, leading with your non-dominant foot. (B) [substeps] The momentum created by the know-how between us will carry us together as you spear each other. This is the position of the likely opponent to lunge up to and grab your or her off the ground. (C) Hunch over slightly and bend your knees to get into an athletic stance. Spread your arms out slightly out and forward from your body so you're ready to grab them. (D) Move slowly towards them at a consistent pace. [title] Position your arms in front of your body to open up space for the spear.

Ex Output:
C

Ex Input:
[header] How to care for a chick [title] Get a dwelling. [step] Finding the right habitat for your chick is relatively simple. You can use a variety of different types of housing, ranging from one you purchase to one you have around the house. <sep> (A) Make sure you have plenty of space for it to live comfortably. [substeps] Whether it's a wire garage, a coop, or a fillet-pen barn, you want a spot with plenty of cover for your chick to entertain and vent as its home. (B) Look for a nestling shelter, hive house, and teething. These shelters tend to be comfortable, have the right spacing, and can adjust the location and walls accordingly. (C) You can find a real chick around pretty much any place, from your backyard or your garage to your backyard office to even your neighborhood barbecue lounge. [substeps] Chicks love playgrounds, and are often found climbing trees and piles of old trash! Look online to find an animal shelter near you that will have a home for your chick. (D) If you have more than one chick, make sure the habitat can comfortably accommodate all of them. Consider some of the following options for your chick's home : [substeps] A simple cardboard box an aquarium a cat carrier a guinea pig cage [title] Place the habitat in a protected space.

Ex Output:
D