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 use a vanilla bean [title] Split the pod if you want to use the seeds. [step] If you are planning to use the vanilla bean in a batter for a cake or for a batch of cookies, you will need to open the vanilla bean pod and remove the seeds. You will then add the seeds to the batter to infuse it with a natural vanilla flavor. <sep> (A) [substeps] [substeps] Wait a few minutes before parting the pod or moving it to a serving dish. Being too cold will crush the seeds as they break into the batter. (B) [substeps] Removing the seeds can make it easier to infuse the pod with a natural vanilla flavor. A good rule of thumb is to reserve about ½ cup (100 g) of pod before you can drink the rest. (C) [substeps] Keep in mind that you will not be able to extract the seeds directly from the pod if you plan to use it. Instead, you will be mixing the seeds into the flour. (D) [substeps] To split the pod, lay the vanilla bean pod on top of a clean, dry cutting board. Turn the hooked end of the vanilla bean to the top of the board.
Example Output: D

Example Input: [header] How to be happily married [title] Don't expect your happiness to be derived from someone else. [step] The most common mistake made in the quest for a happy marriage is to expect that someone should be " making " you happy. The old saying " to have friends requires one to be a friend " applies. <sep> (A) Regardless of whether your happiness is due in some sense to someone you love or something to do with your own, you should hear and be happy. [substeps] Two people don't get married just because there is someone else there to provide love and companionship. (B) Refrain from assuming that your friends and family love and care for you. In fact, expectations for your happiness are far from accurate. (C) If someone is what you expect them to be, try to be a " friend " with them. They will likely be incredibly happy when they express their true love, and please, observe them for a moment before delving in deeper. (D) [title] Focus on how you can make the marriage happy. [step] The only way you can be happy is by focusing on your own efforts to make your marriage partner happy.
Example Output: D

Example Input: [header] How to get a protective order in the united states [title] Ensure your immediate safety. [step] Call the police, if necessary. A protective order implies that some other person is placing you in danger or making you uncomfortable through harassment or bullying. <sep> (A) Consider calling the police while you're in an unsafe situation or at a time when the police aren't around. [substeps] If you are pulled over, don't flee. (B) If you are in a situation of immediate danger, you should call the police before doing anything else. The most important element is your personal safety. (C) It is only if the danger is over, that your protective order applies. [substeps] Entering a preserve or property that is to be protected is the same in limits as having a voluntary name search for a wild animal alone. (D) Even if you see a police officer, he or she might not be able to warn you. [substeps] Even certain law enforcement officers might make a protective order if they say that other people are responsible for what they've done, or that your friends or family are threatening physical or emotional harm.
Example Output:
B