code: protected static String getAorAnArticle(String word) {
  		if (Arrays.asList('a', 'e', 'i', 'o', 'u', 'y').contains(Character.toLowerCase(word.charAt(0)))) {
  			return "an"; //$NON-NLS-1$
  		}
  		return "a"; //$NON-NLS-1$
  	}
docs: Replies the "an" or "a" article according to the given word.
  
  <p>This function does not follow the real English grammatical rule, but it is
  an acceptable approximation.
  
  @param word the word that follows the article.
  @return the article.