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:
[header] How to stay calm during road rage [title] Recognize your rising anger. [step] The most obvious signs of anger are often physical symptoms that emerge after the fact (like voice tone, language, and gestures). But with practice, you'll learn to recognize the warning signs of anger when you mentally check in on yourself. <sep> (A) When you're angry, you'll recognize them as part of your subconsciously hunting instincts. [substeps] Common signs of anger include: a car slamming on its brakes or a fire ensuing, which should be quickly and unequivocally obvious. (B) Your body is responding to these moods : [substeps] Your heart rate increases or drops. Your heart is racing, your breaths are rapid, and you're sweating. (C) [substeps] Most of your response time should be repetitions of the actions or sentences that trigger your anger. Often, this response is triggered by one or more things that remind you to be relaxed, both positive and negative. (D) [substeps] Common signs of anger include angry/vengeful thoughts, muscle tension, headaches, or elevated heart rate. If you catch yourself speaking out loud (even when you're driving alone) about another driver, you may be experiencing elevated anger.

Ex Output:
D

Ex Input:
The dog waits until the woman grab a towel to dry the body of the dog. The dog looks angry and show his teeth. then <sep> (A) all the dogs starts to clean the dog. (B) it chase the woman for a bit and chase her but she walk away. (C) the woman put the towel into the cup so the dog can drink it. (D) , woman give a kiss to then dog.

Ex Output:
D