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 assemble an emergency roadside kit for a desert climate [title] Prepare for car repairs [substeps] Include foam sealant or a battery-powered air compressor in your desert roadside kit. These will aid in a quick repair in case of a flat tire. Also store an extra jug of coolant in case your car overheats. <sep> (A) Supply any diicer you won't need to replace whenever your car loses power. A small backpack with flexible, flexible, and weather resistant backpacks are more critical. (B) Carry jumper cables and a tire jack in your car trunk at all times. [title] Stay hydrated [substeps] The temperature of the desert will be one of your worst enemies if you get stranded in a roadside emergency. (C) Using heat-powered oxygen pumps, burns fuel, or compresses materials may be delays during basic car repairs. [title] Obtain specialized supplies [title] Find the correct car mechanic. (D) [title] Buy a driver's side cooler. [step] Gas stations and convenience stores are excellent outdoor places to pack.
Example Output: B

Example 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.
Example Output: A

Example Input: [header] How to act on a movie date at your boyfriend's house [title] Gather information about family members. [step] You might be really nervous about going to your boyfriend's house, even if you know his family already. Asking your boyfriend questions about his family can help you start conversations. <sep> (A) Ask if your mom and dad are still living at his house, and get more information on his parents. You can also ask his parents if you can borrow some of his toys from him to show that you like him. (B) Not only can this break the ice, but it also creates a good impression of you and shows that you care enough about your boyfriend to be interested in his family. [substeps] Find out things your boyfriend's family likes and any special news they may have. (C) You may want to find out which siblings they have so you don't have any surprises on your hands. [substeps] If your boyfriend doesn't know his family, talk to your parents. (D) [substeps] You might ask if he has siblings, if your boyfriend has friends, if his parents are supportive, and so on. Keep in mind you will be unable to talk all the details about your boyfriend's family on the date.
Example Output:
B