public NewsItem(String verb, String username, int user_id,
			String quiz_title, int quiz_id, Timestamp happened_on) {
		this.verb = verb;
		this.username = username;
		this.user_id = user_id;
		this.quiz_title = quiz_title;
		this.quiz_id = quiz_id;
		this.happened_on = happened_on;
	}