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 clean a raincoat [title] Check the label. [step] The care label is located on the inside of your raincoat near the collar. It includes information provided by the manufacturer on how to clean your raincoat. <sep> (A) There is no specific cleaning instructions that clearly say how to clean your raincoat. Keep an eye out on the outside of your raincoat, especially if you're using the method listed on the label. (B) A typical safety label might state that this is the safest to use and ask you to let it sit with you as you wear it. Because the manufacturer does not provide the information about cleaning a raincoat, you will not be exposed to certain fumes during the cleaning process. (C) You can read " care " or " cleaning " in the manual, and " cleaning " online. For example, some seous manufacturers may require that you wear an apron before cleaning it. (D) Once you've read the care label, follow its instructions closely in order to most effectively clean your raincoat. [title] Wash your raincoat in the washing machine.
Example Output: D

Example Input: [header] How to ask survey questions [title] Understand your objective. [step] Make sure you know why you are asking questions in the survey. Having a firm grasp of this will help you make better questions. <sep> (A) Without knowing your objective, your questions may seem aimless. [substeps] Try to answer the questions: who, what, where, when and why for yourself. (B) [substeps] However, you may not have a completely clear and accurate understanding of your evaluation topic. You may need the fact-figure accuracy to have a clear and reliable assessment. (C) You can additionally foster a good relationship between you and the question that came up. [substeps] Once you have developed a rapport with the question, you should begin addressing it. (D) [substeps] Determine whether the survey may be a waste of time. If the survey results in a huge number of questions, it will be better for you to leave some questions blank or to completely miss the question's significance.
Example Output: A

Example Input: [header] How to camouflage equipment [title] Firstly, lay out all the equipment you are going to use-whatever pattern it is. [step] These instructions should cover rucksacks, webbing, weapon, helmet and vehicles. [title] Start with your rucksack, this is the biggest piece of your personal kit so needs the most camouflage. <sep> (A) [step] Binoculars and goggles will work, as well. [title] Put two other bad things in your rucksack that will make it hard to hide in. (B) [step] Pack the clothes into the rucksack and pack it with supplies. [title] Now, as you are packing, make a checklist of supplies you will need for each day of the next week. (C) [step] The rucksack forms a large part of your silhouette, so its distinctive shape needs to be broken up. Do this by attaching pieces of scrim to tabs on the sides and top of the rucksack, being careful not to cover any zips or openings. (D) [step] You need the basics of the rucksack: combat boots, pillowcase, protective wear/gloves, goggles, for lanyards, a belt, and a carbine. [title] Get your helmet, carbine and assault rifle.
Example Output:
C