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 ask customers for feedback [title] Use a survey. [step] Surveys are the easiest method for collecting feedback. You can create a survey on surveymonkey and then send an email to your clients. <sep> (A) You can also post a link to the survey on your twitter and facebook pages. [substeps] Consider posting short surveys on your website using qualaroo or an equivalent tool. (B) This gives you a much-needed opening to discuss your feedback. [substeps] Write a survey that states how well the company is doing. (C) Keep in mind that you are going to be giving customers feedback about your company. The survey can be in the form of a written question or business letter, a presentation or post, or forum. (D) Be sure to include your real name so that the survey can be retrieved and someone else can reach out to you if needed. Customers then will be able to find you and send you back their feedback.
Example Output: A

Example 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.
Example Output: C

Example Input: [header] How to get a dog out of a busy road [title] Make your way to the side of the road. [step] When you see a dog on a busy road, go to the edge of the side of the road. If you are in a car, pull over onto the shoulder and stand at a safe distance from the road. <sep> (A) Go to the side so the dog can't see you. Talk to the dog with a friendly voice. (B) Avoid putting your foot down on the brake pedal and turning off the car. Keep your eyes on the road as you drive. (C) If you are on foot, walk to the edge at a safe distance from traffic. [substeps] You want to get into a position where you can get the dog's attention but keep yourself safe from cars. (D) [substeps] Approach the dog from the front, where you are confident that it can see you, while you explain yourself clearly. Say what you wish to say and wait to be answered.
Example Output:
C