package P;

public class A {

int w;

public int x;

protected int y;

private int z;

}

import P.*;

class C extends A{

}

package P;

public class B{

}

import P.*;

class D extends B{

}

import P.*;

public class E{

}

import P.*;

class F extends E{

}

In what classes can w be accessed?

In what classes can x be accessed?

In what classes can y be accessed?

In what classes can z be accessed?