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 request a desktop page on an idevice [title] Visit the mobile version of any website. [title] Tap the address bar (url bar) once. [step] This should open up the page showing the list of bookmarked sites from your iphone's list named " favorites " (which is a subfolder of your bookmarks). <sep> (A) [title] Swipe down from a cleaned up area of the screen (where no favorites icons are showing) until two other options will be seen. [title] Tap on the " request desktop site " option. (B) [title] Tap search for a box in the " search " popup on the upper right section of the screen. [step] Tapping inside might lead to more links, while scrolling down might ask for more. (C) [title] Tap on an app with a picture of a star. [step] It should be the icon with a star inside on the home screen of a healthy smartphone or tablet. (D) Click the x symbol in the middle of the keyboard to open it. [substeps] The selected search engines bar comes up on the right side of the page after you click on the button, below a field of random options.
Example Output: A

Example Input: [header] How to write a newspaper headline [title] Understand the key elements of a newspaper headline. [step] A good newspaper headline will be factually correct, connect to ordinary readers, attract attention using active words, and match the tone of the article. [substeps] Accuracy is very important when writing a newspaper headline, as you do not want to create an unintended meaning or confuse your reader. <sep> (A) It's critical that headlines match a published page or text. So do not simply copy and paste the journalist's name or a non-published article after a headline and e-mail the cover letter to the editor. (B) [title] Include a colon at the top of the page and then a colon after it. [step] The first colon will act as a prompt and the other colon will be used to write the rest of the article. (C) The headline should be at least three-quarters of the way down the entire body of the article. Rarely is a headline more important than the rest of the article. (D) Avoid exaggerating or embellishing the content in the article by using an overblown headline. Instead, aim to communicate clearly with your reader through a short, one to three word headline.
Example Output: D

Example Input: [header] How to document a computer problem [title] Search for a key on your keyboard called print scr, prnscr, prtscrn or the like. [step] It is located above the " insert " key and to the right of the " f12 " key on a standard keyboard. It's location may differ on a laptop keyboard. <sep> (A) If you order typed abstracts from print, print partial abstracts, exact abstracts, there may be cheaper alternatives. [title] Click " file " in the ptscrn toolbar and click on the file. (B) [title] Identify the key that will shift after you move a task. [step] These keys are those which move the control pad up or down. (C) [substeps] If you want to capture the entire screen, hold down the " ctrl " key and hit the prnscr key or the corresponding key as mentioned above. If you want to capture just a window, first make sure the window is active. (D) Find your position by looking at the " how-to " box and " obtain " boxes. [title] Search for a key and press it.
Example Output:
C