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". 

Q: [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.

A: A
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Q: [header] How to dry out wet currency [title] Find a dry space. [step] Make sure the bills are kept in a room with good air circulation to lessen the time it takes for the bills to dry. Keep the bills in an area where they won't get blown away or easily lost. <sep> (A) [substeps] At home, you will be able to air dry your currency if your bills stay wet. [title] Store your currencies in a dark, dry place. (B) Avoid putting the bills near open air vents or next to tight crevices where the bills could fall. Try arranging them on the edge of a sink so the water will drip to the ground. (C) Good air circulation should not damage the bills, but it shouldn't be expensive either. [title] Make sure the area is clear of wet or air-logged fabric or paper. (D) [title] Keep your bank account secure if possible. [step] Also, to help the currency from drying out, make sure the extra cash is well hidden in the bank so it isn't moved quickly to prevent the contents from spoiling or breaking up in transit.

A: B
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Q: [header] How to treat psoriasis with phototherapy [title] Try uvb phototherapy. [step] There are two different types of ultraviolet b (uvb) phototherapy, home and clinical. Uvb phototherapy is undergone when the light penetrates the skin, which slows down the growth of the skin cells. <sep> (A) [substeps] Uvb phototherapy is much like home therapy. But there are a few modifications that you need to make. (B) The uvb phototherapy process destroys the water and damaged light cells that contaminate the skin, producing melanin and other melancolors. After repeated phototherapy it can delay or interfere with the development of the psoriasis. (C) Uvb phototherapy is more frequently used on those prone to psoriasis than it is for humans. [substeps] Uvb phototherapy does not " shrink " the skin, but it is less likely to damage and degrade your natural psoriasis cells. (D) Whether it is done at home or in a clinic, uvb phototherapy is given for specified periods of time and on a regular schedule. [substeps] The specific time periods and your schedule for this treatment depend on how extensive your psoriasis is and the specific areas of your body that are affected.

A:
D
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