protected void eatCombinationThree() {
	int magenta = 0;
	int yellow = 0;
	for (Iterator<Plant> it = plants.iterator(); it.hasNext();) {
	    Plant pl = it.next();

	    if (pl.getType() == Plant.MAGENTA_PLANT && magenta < 1) {
		it.remove();
		magenta++;
	    }
	    if (pl.getType() == Plant.YELLOW_PLANT && yellow < 1) {
		it.remove();
		yellow++;
	    }

	    if (magenta == 1 && yellow == 1) {
		break;
	    }
	}
	energy += COMBO_THREE_AMOUNT;
	System.out.println("The combo 3 " + energy);
	WorldFrame.log.append("Simple Creature " + getCreautreNumber()
			      + " ate a combination three  \n");
    }