public String addPlayer(Player p ){
		String Team = null;
		if(blau.size()!= 4){
			blau.add(p);
			Team = "Blau";
		}
		if(rot.size()!= 4){
			rot.add(p);
			Team = "Rot";
		}
		if(grün.size()!= 4){
			grün.add(p);
			Team = "Grün";
		}
		if(gelb.size()!= 4){
			gelb.add(p);
			Team = "Gelb";
		}
		return Team;
	}