public class Vehicle $\{$

protected String vehicleName;

public void setName$($String name$)\{$

vehicleName $=$ name;

$\}$

public String toString$()\{$

return vehicleName;

$\}$

$\}$

public class Boat extends Vehicle $\{$

private int numEngines;

public Boat$($int num$)\{$

numEngines $=$ num;

$\}$

public String toString$()\{$

return super.toString$()+""+$ numEngines;

$\}$

$\}$

Boat fastBoat $=$ new Boat$(2)$;

fastBoat.setName$("$Firebird$")$;

System.out.println$($fastBoat$)$;

Group of answer choices

Syntax error

Firebird $2$

Boat@f$35$a$442$b

Firebird