Suppose the Dog and Animal classes are imported and both have run and eat metl defined with no parameters. Given the following code:

Dog fido;

Animal simba $=$ new Animal $()$;

simba.run $()$;

fido.eat $()$;

fido. run$()$;

Which line will cause an error?

$13$

I don't know

$15$

none of these lines of code will cause an error

$12$

$14$P