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 encourage an autistic person's special interests [title] Check out library books relating to their interest. [step] They can read about their favorite things at their own leisure, without the expense of constantly buying new books. [title] Buy gifts related to the latest interest. <sep> (A) [step] This can be something as simple as fancy designs, or will also be something that you know they'll like. Could be a cool summer smell, a killer crocheted sweater, a great cake recipe, for instance. (B) [step] One good thing you can buy is a stuffed animal. They can attach a cute sign on the front, telling the person where to place the gift. (C) [step] This can be anything from toy birthday items to brochures, catalogs, trophies, and similar. [substeps] Smile at each child when asking them for their gift. (D) [step] This will ensure that they like whatever you give them, and they will feel understood and appreciated. Here are some examples of good gifts : [substeps] Arts and craft kits (e.g.
Example Output: D

Example Input: [header] How to handle having a toxic mother [title] Be aware that your mother might not realise that what's she's doing or saying is affecting you. [step] Try talking about it with her, telling her how you feel. You might be surprised to find that she's actually quite understanding; after all, she's human too. <sep> (A) [title] If you're really dealing with a toxic mother, be caring. [step] Basically, try your best to show she is not hurting you. (B) [substeps] You might be embarrassed, and really hurt. Try to talk to her about your feelings instead. (C) [substeps] You could say, " i feel frightened about what you're telling me. I wish i could make you feel better, but i don't know how. (D) [title] Choose the right time to talk it over. [step] There is a wrong time for you to have this conversation.
Example Output: D

Example Input: [header] How to prepare your dog for a road trip [title] Visit your veterinarian. [step] Perhaps the first step in preparing your dog for a road trip is to make sure that he or she is healthy enough to take the trip. This should be no problem if you regularly take your dog to the vet for checkups and other issues. <sep> (A) If you have not : [substeps] Make an appointment with the vet. Talk to your vet to make sure your dog is up to date on important vaccinations. (B) Your veterinarian will be able to provide you with vaccinations, in addition to taking your dog in for professional vet visits. [substeps] Although canine infection is rare, your veterinarian may be able to provide vaccine for canine infectious diseases, like measles. (C) Mention that your dog needs to follow a certain food regimen and behaviors during the trip. [substeps] Do not try to " test " your dog's blood for any diseases. (D) Make sure your veterinarian shows that your dog is up to date on his or her vaccinations. [substeps] Be sure to bring your dog's current medication and acceptable lab coat.
Example Output:
A