Instructions: 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".
Input: [header] How to train a rottweiler [title] Learn about the breed. [step] Any person who owns a rottweiler should have a good basic knowledge about the breed. Not only will this help you train your rottweiler properly, but also keep it happy and healthy. <sep> (A) [substeps] Rottweilers typically are greyhaired and have coloration similar to other dogs, like a white type of dog, brown or brown. These breeds are generally always smaller than other breeds and tend to be slightly older. (B) [substeps] Well-bred rottweilers are large and athletic. Male rottweilers can grow up to 27 inches tall at the shoulder and weigh 100-135 pounds. (C) [substeps] Rottweilers are not bred for hunting. The entire dog population cannot be bred for hunting, but a purebred rottweiler proves to be a capable dog and combines many of the same characteristics and techniques. (D) Making your dog happy and healthy will allow you to bond with it and make him company. [substeps] The breed is composed of two different breeds: the wild kind and the feral breed.
Output:
B