What is the output of the following Java program?

What is the output of the following Java program?

public class Test6 {
    public static void main(String[] args) {
        Rare rare = new Rare();
        System.out.println(rare.callMethod(new Rare()));
    }
}

class Tiger {
    public String callMethod(Tiger obj) {
        return "Tiger";
    }
}

class White extends Tiger {
    public String callMethod(White obj) {
        return "White";
    }
}

class Rare extends White {
    public String callMethod(Object obj) {
        return "Rare";
    }
}