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 breed chihuahuas [title] Adopt a chihuahua to breed. [step] If you don't already have a chihuahua, you will need to get one that is ideal for breeding. Contact a breeder that specializes in breeding chihuahuas. <sep> (A) If you are looking to adopt a chihuahua you can breed, you should get it from a well-established and humane breeder that has solid documentation of its lineage. [substeps] Make sure your potential dog is in good physical and mental shape. (B) This is a good option for investors that want to go through a breed-specific final selection process before purchasing a dog from one of the breed-specific breeders. [substeps] Breed chihuahuas can learn complicated rules, including you will need to breed them yourself, or you may be able to substitute a dog from a previous relationship with one that is already bred. (C) Look around for a unique breed, preferably one that offers a wide variety of features. Remember to pay attention to age, as a young chihuahua is a rodent, and a healthy small baby chihuahua needs to be training and raised carefully. (D) Shop around a few different places before settling on one that is right for you. [substeps] Get a volunteer or mentor for this breed.

Ex Output:
A

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 shoot in netball [title] Position your body to shoot. [step] The proper stance is the foundation to your shooting technique. Keep your feet hip/shoulder width distance apart and relax your knees. <sep> (A) Your body shouldn't drop below your hips, especially when shot from a very high distance. Whatever you do, keep your knees and hips a minimum of 5 inches away from each other, touching one another. (B) Your hips, shoulders, and elbow should be facing forward. Your body should be aligned no matter where you are around the post. (C) [substeps] Don't stand too close to the hoop. The distance between your feet should be about 2-3 feet (0.91-0.91 m). (D) [title] Pull your belly button into the thigh region. [step] This will be your' seam'.

Ex Output:
B