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 spot an online scam [title] Ask yourself: do they require you to pay money up front? [step] If they are requiring any sort of up front payment to use their services, it is almost always a scam. Many of them will claim that it's for the cost of training, etc. Most of that is just lies. <sep> (A) More often than not, the scammer will take your money and run. [title] Ask yourself: do they promise that you will become rich overnight? [step] Let's face it. (B) They may also require you to pay them a fee to do the work of the scam. [title] Start by taking note of the offer terms. (C) If you fail to pay them back, they won't actually use the services they have. Sometimes, scammers simply want to get their money from you to start their scam. (D) Do not discuss this with anyone else, unless you know for sure that it is indeed a scam. [title] Determine whether you're being harassed.
Example Output: A

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: Then he takes a spray bottle and sprays his hair with water and combs it. He then takes a razor and begins shaving the sides and the back of his head. he <sep> (A) then removes the razors and puts water in the sink. (B) separate his hair and tapes it back together. (C) takes a pair of scissors and starts trimming the top part of hair. (D) pushes the hair out from underneath with a toothbrush.
Example Output:
C