You pull up to an imposing-looking building. With your degree in psychology and your love for animals, you head inside. You meet a woman there who greets you warmly. "Hello," she says brightly, "I'm Vanessa. We have some fun for you. Er have a dog who is extremely agressive, and we heard you're the best. Some dogs here are training to be guide dogs or other service dogs, but this dog... Only you can help."