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 recover from an active sysprep (any windows os ) [title] Assuming your machine cannot boot into windows, insert your installation disc and boot into that. [title] When disc finishes loading select your language and hit next. [title] Click the repair tools or repair my machine on the bottom left hand corner. <sep> (A) [title] After the repair is done, open system preferences in windows xp and select system repair options by clicking load item then system tools. [title] To reboot system preferences select wipe device from system panel. (B) [title] There you can see-the difference between sysprep's system is that he uses the system repair disc and the os version of windows. [title] Repeat the process for all type of windows os if you haven't already; make sure you don't install more than half a batch. (C) [title] After windows is fully installed, select your system or game driver and click properties-] system settings-] installing device. [title] Click continue if required then click next. (D) [title] It will now search for an installed operating system. [step] If nothing shows up you will need to download the storage device drivers for your machines from the manufacturer's web site, put them on a usb flash drive, and click load drivers button.
Example Output: D

Example Input: [header] How to recycle ice cream containers [title] Inspect the container for recycling info. [step] Check the packaging for any labels that indicate whether or not it is recyclable. However, be aware that these only provide general information and do not reflect whether your community is equipped to process this container. <sep> (A) [title] Obtain personal information such as your name, address, work address, phone number and any other identifying information you might be willing to share. [step] Check to see if you are allowed to remove many of these labels with your children, with the exception of paper bags. (B) [substeps] Not all people in your community will need to take the container to a recycling facility, so always check the interior or exterior of your container carefully before bringing it to a recycling center. Many parts and materials might get damaged when you tip the container, resulting in uneven storage. (C) [substeps] If your container was used for a beverage beverage, it's worth noting that many local beverage shops are still accepting recyclable containers. If your container was used for a beverage beverage, it may be better to recycle it again to get some fresh, whole varieties to replace the old one. (D) Also keep in mind that a lack of labels does not necessarily mean that the container can't be recycled. Labels to look for include : [substeps] Widely recycled: this type of container is recycled by at least 75% of municipalities.
Example Output: D

Example Input: [header] How to create a facebook icon using photoshop [title] Open a new document. [step] You can choose any settings as preferred. Press ok when everything is set. <sep> (A) [title] Open the' social' tab on the google photos window. [step] You'll find this panel on the bottom; click it to open a new account. (B) Be sure to set the color that matches your image : [substeps] Cool-keep the background brown and take a dark cover. Cool on the background, and the background transparency will shine through; you can probably do this in the editing tutorial pane. (C) Set the document to the following values : [substeps] Size : 500 x 500 resolution : 72 pixels/inch color mode: rgb color at 8 bit background contents: transparent [title] On tool options, select rounded rectangle tool. [title] Drag mouse on the editor pad to create a rounded rectangle image. (D) [title] Click on messages in the pop-up window. [step] You'll be presented with a list of available accounts.
Example Output:
C