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: [header] How to stay up late without electronics [title] Drink caffeine. [step] Caffeine blocks neurotransmitters in your brain that make you sleepy. When you start to feel drowsy, reach for a cup of coffee or a soda. <sep> (A) Remember that caffeine loses its effectiveness with overuse. Try to save it for when you really need it. (B) Your body will start shutting down caffeine when you're outside and keep you awake by doing what it is meant to do. It can help you stay awake long enough to go to bed. (C) Though caffeine will not give you energy right before sleep, it will trigger the natural sleep signal that draws us into the world right before it hits. An caffeine-rich beverage will wake you up more, making your sleep better. (D) Coffee is the source of human sleepiness so drinking coffee or another caffeinated beverage before bedtime is important. Even an extra pill is a key lubricant.

Output: A

Input: Consider Input: [header] How to stop picking your scabs [title] Disinfect the wound. [step] Open wounds and sores can develop infections. Always wash a new wound thoroughly with soap and water as soon as you obtain it. <sep> (A) Do not use hydrogen peroxide, petroleum or other deodorizers. Do not use antibacterial or antiseptic cleaners, as these may irritate the wound. (B) Then clean it up with an antiseptic wipe or a bit of neosporin and apply a bandage to protect it while it heals. You can also try using betadine or peroxide on the wound to clean and remove unwanted bacteria. (C) [substeps] Spread antibiotic ointment onto the wound, cover the wound with a sterile dressing that may be applied to the wound if it requires it. If you get a scab, wait 15 minutes to let the ointment finish fully absorbing in to the wound. (D) At least once every two weeks, take a shower or bath for seven to 10 days and splash your wound with warm water before applying bandages. Use soap with antibacterial properties and do not share it with others.

Output: B

Input: Consider Input: [header] How to make cheap wine [title] Select your juice. [step] Any juice will work for your vinting, but you may want to start with something familiar, like grape juice. The most important thing to be aware of when selecting your juice is the sugar content. <sep> (A) This will influence the strength of your finished wine. [substeps] The higher your sugar content, the stronger your wine will be. (B) [substeps] Having too much sugar can lead to bad wine, especially when made with a little fruit. Popular grapes include apples, raspberries, pear, and mango. (C) Fruit juice usually comes with 3% or 4% sugar, while lime juice often comes with 4% or 5% sugar. Using a different brand of juice will allow you to gradually incorporate this sugar into your wine. (D) Aim for a slightly acidic, but still aged, flavor. [substeps] If you're looking for a high flavor, it's best to pick one that is approximately 1 tbsp (15 ml).
Output: A