class Objective implements Comparable<Objective> {

	@Override
	public int compareTo(Objective other) {
		if (this.equals(other)) {
			return 0;
		} else if (other == null) {
			return 1;
		} else {
			return this.getName().compareTo(other.getName());
		}
	}

	public  Objective(String name);
	public  Objective(String name, Sign sign);

}