Predict the output of the following program.class First{void display(){System.out.println("Inside First");}}class Second extends First{void display(){System.out.println("Inside Second");}}class Test{public static void main(String[] args){First obj1 = new First();Second obj2 = new Second();First ref;ref = obj1;ref.display();ref = obj2;ref.display();}}(A) Compilation error(B)Inside FirstInside Second(C)Inside FirstInside First(D) Runtime error