	@Test
	public void questionWordTest() {

		QuestionWord questionWord = new QuestionWord();
		ArrayList<Attribute> fvWekaAttributes = new ArrayList<Attribute>();
		fvWekaAttributes.add(questionWord.getAttribute());
		new Instances("Test", fvWekaAttributes, 1 );
		Instance test = new DenseInstance(fvWekaAttributes.size());
		test.setValue(questionWord.getAttribute(), (String) questionWord.analyze("How high is the lighthouse in Colombo?"));	
		assertTrue(test.stringValue(questionWord.getAttribute()).equals("How"));
		
		test.setValue(questionWord.getAttribute(), (String) questionWord.analyze("List all the musicals with music by Elton John."));	
		assertTrue(test.stringValue(questionWord.getAttribute()).equals(Commands));	
	}