What is output?

public abstract class Vehicle $\{$

public abstract void move$($int miles$)$;

public void printInfo$()\{$

System.out.print$("$Vehicle $")$;

$\}$

$\}$

public class Car extends Vehicle $\{$

private int distance;

public void move$($int miles$)\{$

distance $=$ distance $+$ miles;

$\}$

public void printInfo$()\{$

System.out.print$("$Car $")$;

$\}$

public static void main$($String args$[])\{$

Vehicle myVehicle;

Car myCar;

myVehicle $=$ new Vehicle$()$;

myCar $=$ new Car$()$;

myVehicle.printInfo$()$;

myCar.printInfo$()$;

$\}$

$\}$

a$.$

Vehicle

b$.$

Vehicle Car

c$.$

Error: Car is not abstract and does not override abstract method move$()$

d$.$

Error: Vehicle is abstract and cannot be instantiated