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". 

Input: Consider Input: He then discusses what to do when a sunburn does occur, how to handle it to take care of your skin. a slide <sep> (A) shows that he should be in a building showing how to iron, then he begins by giving the results of another remove. (B) shows a person's finger and toe nails are shown before he jumps on an ironing board to iron. (C) show of a razor obtain; first is placed in a glass, then in a bowl. (D) is shown to make us aware of when a sunburn is bad and needs medical attention.

Output: D


Input: Consider Input: [header] How to know if your dental fillings need replacing [title] Watch for tooth sensitivity. [step] If you have fillings that need replacement, you'll likely feel it first. Paying attention to the physical symptoms of old or decaying fillings can let you know if it's time to have your dentist replace them. <sep> (A) One sign that your fillings may need replacing is if you have tooth sensitivity to temperature, sweets, or pressure. [substeps] Pay attention when you bite into any cold, hot, or sweet foods. (B) Teeth sensitivity occurs when gums become severely stained with white blood. These white discolorations are mainly due to gum disease, but most commonly introduce a white blood cell colony to the side of your mouth. (C) Once your doctor notices an increase in tooth sensitivity, he or she can return you to the dentist. [substeps] Are your teeth hurt or moist? Severe tooth pain, cramping, sensitivity, or tingling are all signs that they need replacement. (D) [substeps] Bad tooth sensitivity is usually not a problem until it gets worse and you start to feel pain. You may experience sensitivity at night and bad teeth at the same time.

Output: A


Input: Consider Input: [header] How to lose weight fast (for the elderly ) [title] Walk for 30 to 40 minutes each day to burn about 200-350 calories. [step] This helps drain the excess body fat. [substeps] Walking exercise is suitable for you because it does not require too much movement. <sep> (A) Walking is both easy and good for tendons, bones, and your health. Walking helps to increase the body's metabolism and limits excessive accumulation of fat. (B) Take a walk every morning, a five hour walk on the treadmill or a run every day. This will help burn 20-300 calories and help with weight loss. (C) It's also a way to meet your healthy demands. [title] Do an activity that gets your blood flowing and improves your mood. (D) Improve your endurance and strength if you don't frequently take a walk. Don't be afraid to take a brisk walk or 3 shorter walks to stay active.


Output: A


