@Override
	public void display(Boolean showCorrect) {
		System.out.println(prompt);
		int count = 1;
		for (int key: items.keySet()){
			System.out.println("\t" + count + "). " + items.get(key));
			++count;
		}
		if (hasAnswer && showCorrect){
			System.out.println("The correct ranking is:");
			for (int key=1; key <= items.size(); ++key){
				System.out.println("\t" + key + "). " + items.get(key));
			}
		}
	}