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 get your boyfriend back when he broke up with you [title] Try to understand why the relationship ended. [step] Was it a fight, cheating, or did you feel that he slowly lost interest? Understanding why he broke up with you will help you understand if trying to get him back is the best thing to do. [substeps] Think about his behavior in the weeks before the breakup. <sep> (A) Do you recall his comments funny, flirty, or romantic? Try to lighten up the way he treated you that day. Maybe he asked you to dance, for example. (B) If he seemed to have moved on by the time you were together, you might have a rough time dealing with this together. [title] Look for traces of him doing what he used to do. (C) This will help you determine if the relationship can be saved. If it was a sudden breakup resulting from a disagreement, then he just may need some cooling off time. (D) How you feel about his behavior during the months after the break up is probably confidential. Even if the relationship ended, how you feel now about him is entirely up to him.
Example Output: C

Example Input: [header] How to handle a dog's nightmares [title] Decide whether to wake up your dog. [step] When your dog is having a nightmare, your first instinct may be to wake up your dog. However, this isn't always the best idea. <sep> (A) Waking up your dog would disrupt its sleep cycle, causing it to feel confused and possibly lash out at you. It's often better to let a dog continue sleeping through the nightmare. (B) If your dog's nightmares persist and you aren't willing to take the time to monitor your dog, it might be best to enlist the help of a veterinarian. There are several reasons for this : [substeps] When your dog is having a nightmare, your own judgment is impaired. (C) If your dog is claustrophobic or is fear fearful, you will want to be as calm as possible while your dog is having the nightmare. If the fear is mild to moderate, choosing an alternative position or location may not be a good idea. (D) While nightmares are real, traumatic experiences can also happen. [substeps] Nightmares also occur in dogs that have nightmares caused by trauma.
Example Output: A

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