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 format an ipad [title] Head to the home screen. [step] Press the home button of your ipad to go to your home screen. [title] Access the general settings menu. <sep> (A) [step] At the bottom of the screen, scroll down until you see " general settings. " [substeps] Scroll down until you see " general settings. (B) [step] Look for the settings app on your device, and click it. [substeps] Alternatively, you can tap on " general. (C) [step] Tap on the " settings " icon then select " general " from the options in the settings menu. [title] Tap on " reset " at the bottom-most part of the screen after pressing " general. (D) [step] Use this screen to change your location menu to default to icloud. [substeps] To enter your location menu, tap the settings app from the screen.

Ex Output:
C


Ex Input:
[header] How to take care of butterflies [title] Start with baby caterpillars. [step] If this is your first time raising caterpillars, you might want to start with a caterpillar kit. You can order a kit online and choose from a variety of butterfly species. <sep> (A) You can store all your butterflies at once in the kit. Just make sure not to overpack them in 1 location. (B) [substeps] Choose a caterpillar you'll be able to collect for some extra protection. You don't want a caterpillar whose wings are incredibly weak. (C) Make sure that the caterpillar is about 3 feet (0.6 m) in length. [substeps] If it is not small enough, you will have to wait several hours before you begin the process. (D) The kit will come with everything you need to raise the caterpillars into butterflies. If you prefer, you can instead find caterpillars in your neighborhood and provide what they need to become healthy butterflies.

Ex Output:
D


Ex Input:
[header] How to find a fraction of a number [title] Write out the problem. [step] If the problem you are working with is a word problem, first you need to write out all of the numbers involved in the calculation. If you were given the numbers written out already, you can skip this step. <sep> (A) [substeps] A fraction of a number is one part of a fraction you created so that you can construct the fraction from scratch. For example, if you were given the numbers in a fraction of a set of numerators, you would write down that fraction again, and record, as you calculated the different fraction. (B) [substeps] If the problem you are working with is a word problem, chances are you will not need to worry about the terms. Let's say you are making the calculator more manageable by using code words for the problem. (C) The problem you must do is place the quarter from the fraction into an empty cell or. If you are working with a whole number, put the quarter from the fraction into the same cell, so the workable sum of all the numbers has equal value and is not taken away. (D) [substeps] For example: what is one-third of seven? When you see " of " written between two numbers in a word problem, think of it as meaning multiply. Thus, one-third of seven actually means one-third multiplied by seven.

Ex Output:

D