public MainSearchCriteria(Value val) {
			classCode="OBS";
			moodCode="DEF";
			code=new Code("KSUBJ","2.16.840.1.113883.6.96","SNOMEDCT","knowledge subject");
			value=val;
			subject = new Subject4();
		}
		public Subject3(Value value) {
			typeCode="SUBJ";
			mainSearchCriteria=new MainSearchCriteria(value);
		}