public List<String> getImportantNouns () 
	{
		List<String> important = new ArrayList<>();
		for (int idx = 0; idx < size(); idx++)
		{
			List<TermPos> phrase = phrases.get(idx);
			if (phrase.get(0).type != "BNP") continue;
			if (!isFeature(idx)) continue;
			List<String> nouns = getNouns(idx);
			if (nouns.size() > 0) {
				important.add(StringUtils.join(nouns));
			}
		}
		return important;
	}