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 numb a tooth [title] Take an over-the-counter-painkiller. [step] A painkiller like ibuprofen or acetaminophen should be your first step in trying to numb a painful tooth. These painkillers will alleviate the pain from your tooth, and should also decrease any swelling in the infected area. <sep> (A) [substeps] If you are not able to find ibuprofen, you can opt for acetaminophen instead. [title] Freeze food that contains aspirin. (B) [substeps] Ibuprofen can be applied within 30 minutes to up the duration of an over-the-counter painkiller. Follow the manufacturer's instructions and do not take ibuprofen within 30 minutes after it has been applied. (C) [substeps] Make sure you read and follow the dosage on the packaging. Do not eat anything until told to do so by your dentist to ensure you are following the proper dosage. (D) These are all readily available at your local pharmacy. [substeps] If you're treating a toothache in a child younger than 18, do not give him or her aspirin.
Example Output: D

Example Input: [header] How to communicate for better intimacy [title] Have the difficult conversations. [step] Many people in relationships spend a great deal of time hoping their partner can read minds. You may want your partner to touch you or treat you in a certain way, but you never speak up. <sep> (A) Speaking up will only make your partner worry. End the conversation before you can continue to listen. (B) However, talking about intimacy--regarding activities in the bedroom and not--is important for the health of your relationship. Pull your partner aside during a time when you won't be distracted. (C) If you and your partner are both committed and have important conversations about everything, it can be easy to be hesitant. Having the difficult conversations will allow you to not put each other in a loop and to listen to what the other person has to say. (D) Oftentimes it's about respect and love, but both partners take cues from the other. [substeps] This can be tricky if you're in a relationship and the two of you enjoy having " wild " conversations.
Example Output: B

Example Input: [header] How to protect trees during construction [title] Read your state and city's land use code. [step] Many cities have rules about removing trees and protecting them during construction. Share any applicable rules with the interested parties on the project. <sep> (A) [title] Meet with your contractor or architect to discuss what changes will need to be made with the landscape. [step] If you are doing a small renovation, some trees may not be affected at all, while others may need to be protected or removed. (B) Read your city's ordinance (see below) to see if the subject matter of an area can be protected. [substeps] If your city does not allow removal of trees, other cities may limit or prohibit further protection. (C) [substeps] You can also read online information on whether or not you have to reapply for a plant, or even simply rescue the tree if it is damaged. Consult your city and county's government website to see what's allowed in your area as well as how you should " protect " trees from future damage. (D) [substeps] Many housing and sanitation codes state what is allowed and what is not allowed on land. You'll need to navigate your city's rules and guidelines to make sure you know what you are allowed.
Example Output:
A