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".

Input: Consider Input: [header] How to prevent unauthorized computer access [title] Set up password protection. [substeps] Enable password protection on your computer if it is not already set up. Make sure you are using a personal password you have chosen versus the default password. <sep> (A) When creating your password, be sure to incorporate numbers or special characters to make it difficult for others to guess. Change your password often, at least every 2 months. (B) [title] Ensure no viruses are accessing the computer. [substeps] Disable password protection protected if it is locked. (C) Put some type of recovery code into the bar along the top of the screen, if it is not already enabled. Allow yourself a certain amount of time before attempting to access computer files. (D) This will prevent people from entering your password without permission. [title] Enable online browsing if there is no internet connection.

Output: A

Input: Consider Input: [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.

Output: B

Input: Consider Input: [header] How to determine which pool algaecide and pool clarifier is best for your swimming pool [title] Add preventative algaecide to your swimming pool on a weekly basis if you regularly experience problems with algae growth. [step] If you have never had an algae problem in your swimming pool, there is no need for the algaecide. [title] Realize that if you have algae right now, you may need to use an algaecide. <sep> (A) [title] Know how to know when to seek professional assistance. [step] Algae growth happens not commonly in pools. (B) [step] Algae tends to get in the way of chlorinating materials (if water has built up in your pool). Algae often gets stuck in the tips of pool grates. (C) [step] Some algaecides are preventative and others are used to treat an algae problem. Once algae has grown in your swimming pool, only a treatment algaecide combined with shocking will kill the algae. (D) [step] The algaecide and pool clarifier often contain saline. These saline tablets are, however, available to purchase at pool shops or online.
Output: C