acacia poison requires adding light matter to the poison
poison_ivy is not poisonous_plant. acacia_aroma is not acacia. acacia_ligulata is acacia. acacia_aroma is acacia. acacia_penninervis is acacia. acacia_nilotica is acacia. acacia_penninervis is not acacia. acacia_ligulata is not acacia. acacia_nilotica is not acacia. poison_ivy is poisonous_plant.