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 change trackpad settings on macbook pro [title] Find the system preferences. [step] Starting from your main desktop screen there are two ways to find the system preferences where the mouse and touchpad settings will be located : [title] Bring your cursor to the bottom screen and find the system preferences application. [step] The icon looks like a box with three gears inside it. <sep> (A) Open that to find all your system preferences. [substeps] Alternatively, you can use the spotlight feature. (B) On macbook pro this icon resembles a round blue square with a horizontal green dot on it. On other applications this icon is actually a box with a gear, and is small in appearance. (C) It can be located on the taskbar or in the upper left-hand corner of the window. [title] Let the system preferences application perform its work. (D) [title] Click the customize key in the dialog box. [title] Follow the on-screen instructions to change the customization function.

Answer: A


Question: [header] How to clean a cast iron stove [title] Place an old newspaper on the ground in front of the stove. [step] Do this as a protective measure before you begin scooping ashes out of the stove, as they are liable to drop onto the ground. A newspaper will make cleanup much easier. <sep> (A) [substeps] You might even want to splash some cold water over the newspaper, so the water completely freezes around the newspaper. A drop of lemon juice can also help. (B) [title] Pour about a tablespoon of salt into the newspaper you have saved. [step] Add lemon juice and shake off the salt. (C) [title] Use the newspaper to wipe and scrape any soot out of the cast iron burner. [step] Do this several times until any soot is gone. (D) As you're spreading the newspaper, open the air dampener so that any ash stuck to it will fall into the firebox. [substeps] The air dampener will be a small knob on the front of the cast iron stove, that you should pull outward to open.

Answer: D


Question: [header] How to do ombre eye makeup [title] Prime your eyes. [step] It is important to prime your eyes to prevent creasing. You can use the makeup primer of your choice, or if you don't have primer, you can cover your eyelids with concealer and powder. <sep> (A) While you will have to use the primer to soften your eyes, it will provide you with heavier coverage. [substeps] Ask a friend or family member to prime you if you are not sure how to do it. (B) Use a small brush to prime your eyes. Do this for one hour, according to the directions on the packaging. (C) Use a small amount of concealer to cover your eyelid and then cover it in a nude powder. Or, you can use a nude cream eye shadow. (D) [substeps] Then, in an empty makeup-jar, two 1 oz. ( 237 ml) makeup or powder primer (without the one you used to prime your eyelids), two 1 oz.

Answer:
C