Complaining only of dyspnea and mild cough. .
 The patient denies shortness of breath
(ROOT (S (S (VP (VBG Complaining) (PP (RB only) (IN of) (NP (NP (NN dyspnea)) (CC and) (NP (JJ mild) (NN cough))))) (. .)) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ denies) (NP (NP (NN shortness)) (PP (IN of) (NP (NN breath)))))))
( ( ( Complaining ( only ( of ( ( dyspnea and ) ( mild cough ) ) ) ) ) . ) . )
( ( The patient ) ( denies ( shortness ( of breath ) ) ) )