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:
The image and label of the presenter or stylist is shown. The presenter styles a female client's hair. The presenter speaks directly into the camera. the client <sep> (A) is shown as she shaves the client's hair. (B) stands in a hair salon and sees her hair being styled. (C) spins slowly on a chair to present her hair. (D) turns towards the camera and gives a final trim.

Ex Output:
C


Ex Input:
[header] How to handle skipping a grade [title] Consider your feelings about skipping a grade. [step] If you are the student who will be skipping a grade, you need to carefully examine the advantages and disadvantages of moving up a grade since you will be the one most affected. If it's not something that you are comfortable with or happy about, this will make the process more difficult. <sep> (A) You may have to readjust your grades carefully to avoid stressing out if you do not give yourself enough time to cooperate in the process and make sure you complete your work. [substeps] Do not progress to skipping one grade without speaking to a teacher. (B) Your teachers will be able to provide you with guidance on how to handle the problem more effectively as a result. [substeps] Dwelling upon or dwelling on your feelings can make a huge difference in your overall well-being. (C) [substeps] Try to think about how this decision might impact you in the future. For example, if you are interested in participating in sports, being younger than other students might make it harder to compete on the same level. (D) [substeps] Some students may be resentful or even ignore the request. In these cases, concern your concerns a bit more.

Ex Output:

C