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".

Ex 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.

Ex Output:
A

Ex Input:
He then discusses what to do when a sunburn does occur, how to handle it to take care of your skin. a slide <sep> (A) shows that he should be in a building showing how to iron, then he begins by giving the results of another remove. (B) shows a person's finger and toe nails are shown before he jumps on an ironing board to iron. (C) show of a razor obtain; first is placed in a glass, then in a bowl. (D) is shown to make us aware of when a sunburn is bad and needs medical attention.

Ex Output:
D

Ex Input:
[header] How to get married in new mexico [title] Secure a marriage license in the state of new mexico. [substeps] Visit the county probate court or circuit court in your area. There is currently no residency requirement in the state of new mexico, and your marriage license should be good throughout the entire state. <sep> (A) You must be 18 years of age or older to get a marriage license in new mexico. If you are not, you will need a parent's consent. (B) Permits from the clerk to get married vary by state, so make sure you talk to a trusted organization (such as a county manager) or a government agency. In some counties, you may need to apply online in order to get a license. (C) If you intend to remarry after the marriage, the county where you got married will have the updated marriage license. You can apply and have a marriage license issued for the county where you reside. (D) Mail the application form to the court clerk in your county. Ask him or her to stamp the envelope.

Ex Output:
A