Assume the following class Animal and its use are given:
package com.company;
import java.util.Comparator;
import java.util.SortedSet;
import java.util.TreeSet;
class Animal implements Comparable<Animal>{
    final String kind;
    final String name;
    final int age;
    Animal(String kind, String name, int age) {
        this.kind = kind;
        this.name = name;
        this.age = age;
    }
    @Override
    public int compareTo (Animal other){
        int retVal = kind.compareTo(other.kind);
        if (retVal == 0) {retVal= name.compareTo(other.name);}
        return retVal;
    }
    /*...*/
    static class MyComparator implements Comparator<Animal> {
        /*...*/
        public int compare( Animal a1, Animal a2){
            return a2.age-a1.age;
        }
    }
}
public static class Main(String[] args){
        SortedSet<Animal> animals = new TreeSet<>();
        animals.add(new Animal(“Cat”,”Zero”,2));
        animals.add(new Animal(“Cat”, “Filou”, 5));
        animals.add(new Animal(“Dog”, “Puppy”, 3));
        SortedSet<Animal> animals2 = new TreeSet<>(new Animal.MyComparator());
        animals2.addAll(animals);
}

        Which of the following statements are true?
        
        a) The set animals will be ordered as follows: Filou – Puppy - Zero
        
        b) The set animals will be ordered as follows: Filou – Zero – Puppy
        
        c) The set animals2 is ordered as follows: Zero – Puppy - Filou
        d) When multiple sorting schemes should be provided, create and use multiple Comparators.