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 start a taxi company [title] Investigate whether there's a need for a taxi company in your area. [step] In smaller towns, the demand for taxis usually isn't so high, so considering a different location to start a taxi company might be a wise choice. [title] Determine your niche. <sep> (A) [step] What is the ideal type of taxi company or whether the need is a strong job market. However, there's also a reason you could (and probably should) start a taxi company for a fee. (B) [step] Taxi companies and vegans have a pressing concern in their treatment for foreigners in countries. Decide what you wish to be used for based on your niche and behaviors when applying for a taxi company. (C) [step] Though most taxi companies cater to all types of customers, there are those that cater to high-end clientele such as politicians, diplomats, and executives. Other taxi companies offer adapted vehicles for the physically impaired, while yet others provide green taxis for environmentally-conscious customers. (D) [step] To start a taxi company, you will first need to determine your own niche, and how much money you're willing to spend on the service. This is where you'll be able to make the hiring process go more smoothly.

Ex Output:
C


Ex Input:
[header] How to use leftover baby food [title] Make it into a spread. [step] Using a butter knife or spoon, remove baby food from the jar and spread it on a piece of toast, bagel, or cracker. Single-fruit baby foods, such as apricot and banana, work particularly well as spreads. <sep> (A) [title] Sprinkle the leftover baby food over the top. [step] Take out the two halves of toast, and make a right-angle side. (B) The natural sugar content is high enough to mimic a store bought jam and the consistency is thick enough to stay on the top of bread without being totally absorbed. [substeps] This also makes a great toddler snack. (C) Toast the toast for an added warming effect. [title] Spread baby food on small sandwiches and side dishes. (D) Babies, especially toddlers, can use leftover baby food in place of fresh milk. [title] Feed your baby the appropriate amount of baby food.

Ex Output:

B