public static Participant getParticipantByInfo(String type, String first, String last, String chapter){
		ArrayList<Object>data = ReadFromFile.getData("PARTICIPANTS");
		Participant p = null;
		for(int i = 0; i < data.size();i++){
			Participant temp = (Participant)data.get(i);
			if(temp.getType().equals(type) && temp.getFirstName().equals(first) && temp.getLastName().equals(last) && temp.getChapter().equals(chapter)){
				p = temp;
			}
		}
		return p;
	}