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".
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Question: [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.

Answer: D

Question: [header] How to increase the bottom line for a coffee shop [title] Sell your customers high-priced drinks, such as espresso drinks. [step] Profits on espresso drinks can sometimes be 5 times higher than drip-coffee drinks. Offer your customers a free cappuccino or latte to get them to switch. <sep> (A) If you buy extra coffee, offer to pay the barista $4.57 for your drink. [title] Consider expanding your sales staff by purchasing low-cost coffee supplies, such as reusable coffee makers. (B) Aim for a total of about 30 percent in coffee sales and 70 percent in espresso sales. [title] Put espresso-based drinks at the top of the menu. (C) [title] Offer almond-sugar-free beverages, such as hot or low-speed made teas. [step] Some coffee shops offer this as a discount for their barista. (D) [title] Promote discounts, such as coffee-and-water deals or free items. [step] Some have given you discounts on beverages, items like coffee or a toy or accessory.

Answer: B

Question: [header] How to select a headstone [title] Identify the cemetery's size limitations for head stones. [step] Each cemetery has its own set of rules and regulations for the size and type of headstones that can be erected. While large headstones might be accepted by some cemeteries, others have strict rules that limit a headstone's size. <sep> (A) [substeps] Call the cemetery where you will be interring your loved one and ask them if there are size limitations on headstones. [title] Consult the cemetery about regulations on headstone type. (B) Avoid choosing a headstone that's too big or hard to put together in some places. [substeps] If you're considering visiting a cemetery, check their size restrictions online before making a purchase. (C) [substeps] For example, kentucky news counties are laid on the hardy, mason, inner circle, and greater down roads, while illinois counties are laid on the modestly large. Across the country, either county or federal highway is laid on headstone. (D) If your grave has too many headstones and no longer meets these values, opt for larger ones. [substeps] Try building a monument for your cemetery to keep out archetypes.

Answer:
A