public class Animal {


	private String species;
	private String sound;

	public Animal(String species, String sound) {

		this.species = species;
		this.sound = sound;

	}

	public String getSpecies() {
		return species;
	}

	public String getSound() {
		return sound;
	}


	public String toString() {
		return "I am a " + species + " " + sound;
	}

	public boolean equals(Object obj) {
		
		if(! (obj instanceof Animal))
			return false;

		Animal another = (Animal) obj;

		return species.equals(another.species)
		      && sound.equals(another.sound);
	}
}