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". 

Example Input: [header] How to root the nexus 7 [title] Back up all information on your nexus 7 tablet. [step] All personal data will be erased from your tablet during the rooting process. [substeps] Sync your personal information with google's servers, copy your data over to your computer, or download a third-party cloud storage service app from google play store. <sep> (A) [title] Navigate to the wugfresh website at http: // www.wugfresh.com/nrt /. [title] Select the option to download the nexus root toolkit. (B) Open a folder that houses your cellular data, save the data you want to share and tap backup to backup it to your computer. [title] Follow the on-screen instructions for rooting. (C) [title] Install os x 10.1 on your tablet. [step] After installation, simply tap the " windows " icon on the home screen. (D) If you have a gigabyte device, your tablet will search your phone's applications folder for a root disk that will be used for rooting. [title] Download the latest android root installer.
Example Output: A

Example 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.
Example Output: C

Example Input: [header] How to support your child's body image [title] Encourage body acceptance for your child no matter what. [step] A positive body image stems from your child knowing that healthy can look many different ways, with different shapes and sizes. They don't have to look a certain way to be healthy or attractive. <sep> (A) [substeps] Your child should enjoy being body so they are helpful in changing their body and walking, whatever it is, to their body. This encourages them to be like the truly beautiful people they are. (B) Encourage your child to feel his body is more attractive and healthy than his other features. The way your child looks is really his form. (C) Remind your child of this often so it becomes ingrained in their mind. [substeps] For example, you may say, " healthy does not mean skinny or super buff. (D) They can be simply sitting at home and enjoying themselves, while still being an amazing and valuable member of their social group. [substeps] The ultimate idea is to encourage your child to use their body to help them achieve a sense of self.
Example Output:
C