( ( ( Other ( important causes ) ) ( of ( shortness ( of breath ) ) ) ) ( ( are ( ( asthma ( , ( emphysema ( , ( pneumonia ( , ( and clots ) ) ) ) ) ) ) ( to ( the lung ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Other) (JJ important) (NNS causes)) (PP (IN of) (NP (NP (NNS shortness)) (PP (IN of) (NP (NN breath)))))) (VP (VBP are) (NP (NP (NN asthma) (, ,) (NN emphysema) (, ,) (NN pneumonia) (, ,) (CC and) (NN clots)) (PP (TO to) (NP (DT the) (NN lung))))) (. .)))
Other important causes of shortness of breath are asthma, emphysema, pneumonia, and clots to 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))))))) (. .)))