Write a superclass named Animal and two subclasses named Feline and Canine. The Animal constructor should have a private instance variable called sound; its constructor should initialize it$.$ In Animal add apure virtual function move$()$ that is implemented by the subclasses. Add a speak$()$ method that returns the instance variable. In both Feline and Canine, implement a constructor that takes both a sound and a means of moving; its constructor should initialize correctly. Implement the virtual function. Ensure that all details are handled.

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