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 remove paint from a car exterior [title] Park the car on top of a large tarp or drop cloth to contain the old paint. [step] The old paint should be disposed of instead of letting it contaminate the ground. If an open area is not available, park the car inside a garage, but open all of the garage's windows and doors for ventilation. <sep> (A) Cover objects inside the garage to protect them from the paint dust. [title] Use masking tape to cover the areas of the car that won't be sanded. (B) Alternatively, use a flashlight to check beneath the tarp. [title] Use an old baseball bat, crowbar, pry bar, or other large object to push the old paint off of the vehicle. (C) [title] Wipe the paint with a wet cloth, a roller wrap or an old towel to protect it from oil and water. [step] The paint is likely to collect on these cloths and make them easier to clean as they are removed. (D) If your garage is not well ventilated, a ventilation device will block your windows when the old paint has dried to a mud-like consistency. [title] Pour a small amount of vinegar into a small bucket.
Example Output: A

Example Input: [header] How to sanitize your web presence before applying for a job [title] Search for yourself. [step] Instead of just looking in the " usual " places (such as your facebook profile), find out what appears when you do an internet search for your name. [substeps] Look under " everything " first. <sep> (A) Remember: build your own site, be independent, publish your own content on your personal blog. [title] Find the keywords that people can search for you. (B) Then, look under " job search " and check if there is a job description posted on the posted job. You can use a search engine to search for " lds " to find places in town that you may be interested in. (C) Try several search engines, but consider looking for " everything " which includes all web sites, news articles, images, videos, blogs and reviews. You may have no idea that a friend snapped an " incriminating " photo of you during that crazy drunken night and somehow it ends up online. (D) Most searches are universal, but some might find that there's a situation exactly as you might expect. On the other hand, you want to ensure all the pins on your twitter/instagram accounts are accessible and not just hazel.
Example Output: C

Example Input: [header] How to prepare for customer service jobs [title] Obtain certification in customer service. [substeps] Many technical and community colleges offer certification programs for customer service. The training involved to achieve certification usually involves a few brief classroom seminars on assessing customer needs and providing assistance, followed by a written exam. <sep> (A) Certification is not required to prepare for a customer service job, but since the field is becoming increasingly competitive it is a way to set yourself apart from other applicants. Certification will also help you gain understanding of how to succeed in customer service. (B) You might also seek training in customer communication by attending lectures on customer feedback. Attending seminars on customer service typically involve teaching from trained employees. (C) It can take between four and 15 years to complete certification. You'll need to get at least a bachelor's degree in another field such as engineering or nursing, or even a two-year degree in business administration (mtms) or communications. (D) As a certified contractor, you need to be proficient in customer service. This means demonstrating expertise in the following fields : [substeps] Customer service customer assistance customer management [title] Locate job openings.
Example Output:
A