static int countCategories(String text) {
        int result = 0;
        text = text.toLowerCase();
        if (text.contains("#reliefph")) {
            result++;
        }
        if (text.contains("#rescueph")) {
            result++;
        }
        if (text.contains("#safenow")) {
            result++;
        }
        if (text.contains("#tracingph")) {
            result++;
        }
        if (text.contains("#yolandaph")) {
            result++;
        }
        
        return result;
    }