Hello everyone, I'm a little stuck here. What am I doing wrong? com/codegym/task/task06/task0603/Solution.java:11: error: non-static variable this cannot be referenced from a static context Cat cat = new Cat(); ^ com/codegym/task/task06/task0603/Solution.java:12: error: non-static variable this cannot be referenced from a static context Dog dog = new Dog();// write your code here ^