( Smoking ( ( can ( cause ( ( fatal diseases ) ( such ( as ( ( ( ( pneumonia , ) emphysema ) and ) ( lung cancer ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Smoking)) (VP (MD can) (VP (VB cause) (NP (NP (JJ fatal) (NNS diseases)) (PP (JJ such) (IN as) (NP (NP (NN pneumonia)) (, ,) (NP (NN emphysema)) (CC and) (NP (NN lung) (NN cancer))))))) (. .)))
Smoking can cause fatal diseases such as pneumonia, emphysema and lung cancer.
(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))))))) (. .)))