( ( ( Pathogen ( an ( infectious agent ) ) ) ( with ( the ( capacity ( to ( cause disease ) ) ) ) ) ) . )
(ROOT (S (VP (VB Pathogen) (NP (DT an) (JJ infectious) (NN agent)) (PP (IN with) (NP (DT the) (NN capacity) (S (VP (TO to) (VP (VB cause) (NP (NN disease)))))))) (. .)))
Pathogen an infectious agent with the capacity to cause disease.
(ROOT (S (NP (NNS Pathogens)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (JJ disease-causing) (NNS agents))) (, ,) (PP (JJ such) (IN as) (NP (NNS bacteria) (CC and) (NNS viruses))))) (. .)))