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 protect your intellectual property [title] Know the three types of intellectual property. [step] There are three different types of intellectual property that you and your business may have created. Each can be protected under the law, but there are different categories for each one. <sep> (A) A shortcut to remember the differences between the three is that a patent protects the invention, the copyright protects the artistic expression of the invention, and the trademark protects the brand name. [substeps] If you have invented an item or system that is new, useful, original, or ornamental, then you may be able to patent it. (B) [substeps] Trade secrets are the only kinds of intellectual property that you and your team can sell. Goodwill is the only type of intellectual property which you can earn without investment. (C) Realize the following basic categories : [substeps] Intellectual property. This is non-exempt from federal and state laws. (D) To protect intellectual property, you must be licensed, insured, and have information about how this performance impacts you and those involved. [substeps] Private intellectual property is allowed only if there are only two parties involved, or if the business isn't trademarked.

Output: A


Input: Consider Input: [header] How to recover deleted pictures from an ipad mini [title] Get your ipad mini's lightning cable. [step] This is the new 8-pin connector from iphone, which is significantly smaller than the previous one. Get this cable and connect the smaller end to your ipad mini. <sep> (A) [title] Hold down the home button on your ipad mini. [step] The process for locking the ipad mini to a computer is easiest with the ipad mini's lightning cable. (B) [title] Get the other end of the cable and plug it into any usb port of your computer. [step] You can plug it into any usb port located either at the back of a desktop cpu or along the sides of a laptop. (C) [title] Connect the smaller end to the power adapter cable. [step] This will work the same way as the icloud usb adapter, except that your ipad mini will have a smaller power adapter just at the back of its body. (D) Some great options are these : [substeps] Usb is for ipad mini micro usb cable. Connect each end to the launcher/usb port on your ipad mini.

Output: B


Input: Consider Input: [header] How to get a red wine stain out of a white linen shirt [title] Remove your shirt. [step] Act quickly. Immediately after the stain happens, go change into something else and take off your linen shirt. <sep> (A) If you notice the stain, you can apply an stain remover, if need be. This you can spray anywhere on your shirt, including the hem and around the collar and armpits. (B) If you have a fresh white linen shirt that you feel confident wearing, you can clean it using a scouring powder and hand wash it as usual. Just be careful not to soak or otherwise otherwise damage your linen shirt. (C) Make sure that as you are taking off the shirt, you do not touch any other part of the shirt to the stained section. This could spread the stain to other parts of the shirt. (D) [title] Soak the stained area in hydrogen peroxide and water. [step] Hydrogen peroxide contains a disinfecting agent that stops bacteria from getting into stained shirt fabrics.


Output: C