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 survive flight attendant training [title] Pack enough of all the essentials you will need to make it through an extended trip while maintaining a professional appearance. [substeps] Unless otherwise specified in your correspondence from the airline, bring business attire for classroom and training sessions. Bring business-casual attire for down time. <sep> (A) This includes a sweater, gloves, sensible footwear for long car rides, and a carry-on book for your reading habits. First, bring jackets, pants and boots. (B) Some airlines may provide you with a uniform during training, so you won't need to pack as many of your own clothes. Bring anything that will help you have more comfortable and restful sleep, like an eye mask, your own pillow and calming music. (C) Even a range of items such as a fishing belt and sneakers are most effective during this time period. If you know your plane has a get-together with close friends and family, bring along some casual clothes to dress up for your flight. (D) Don't pack clothes that are too formal, too casual, too old-school. The point of switching schools is to have a better idea of what you need to wear.
Example Output: B

Example Input: The doctor uses a brush to scrub nails and hands. A doctor washes their hands in a large stainless steel sink with hand soap multiple times. the doctor <sep> (A) uses the brush to rub a suture needle into his palms. (B) uses a towel to clean on the sink. (C) uses a small brush to wipe several areas on the body of the sink and change water for the other areas. (D) completely rinses their hands then clasps together and walks out of the room without touching anything.
Example Output: D

Example Input: [header] How to build a web empire in a year [title] Build multiple websites. [substeps] Having more than one website to promote yourself and your products or services will increase your opportunities to attract user traffic, improve revenue numbers and help you build a web empire quickly. Create multiple web sites on related topics and link them so visitors to one can easily access the others. <sep> (A) Building a web empire in a year will be easier if your web sites are easy to find and navigate. Test all links you add to your sites to guarantee they work. (B) Try not to overuse keywords like " your products " or " your services " and instead put them in a separate main section (the better! ). An easy way to do this is to use keywords for any topic and the way you title a topic. (C) [title] Prepare for situations in which you will need a website. [substeps] Build websites specifically designed for a business but have a unique layout. (D) Review the different keywords of your favorite products, technologies and publications. And list spelling and grammar mistakes that are caught on your website.
Example Output:
A