( ( Warning Smoking ) ( ( causes ( emphysema ( of ( the lung ) ) ) ) ; ) )
(ROOT (S (NP (VBG Warning) (NN Smoking)) (VP (VBZ causes) (NP (NP (NN emphysema)) (PP (IN of) (NP (DT the) (NN lung))))) (: ;)))
Warning Smoking causes emphysema of the lung;
(ROOT (S (NP (NNP Pneumonia) (CC and) (NN emphysema) (NNS illnesses)) (VP (VBP are) (VP (VBN caused) (PP (IN by) (NP (NN damage))) (PP (TO to) (NP (NP (DT the) (NNS alveoli)) (PP (IN of) (NP (DT the) (NNS lungs))))))) (. .)))