public Strat getrand(int r) {
		if (r == 0) {
			return tStrats.get((int) new Random().nextInt(tStrats.size()));
		} else if (r == 1) {
			return zStrats.get((int) new Random().nextInt(zStrats.size()));
		} else if (r == 2) {
			return pStrats.get((int) new Random().nextInt(pStrats.size()));
		} else if (r == 3) {
			return rStrats.get((int) new Random().nextInt(rStrats.size()));
		}
		return null;
	}