( ( ( 17 ( Pathogen ( Disease-causing ( biological agent ) ) ) ) ( such ( as ( ( ( ( ( ( a bacterium ) , ) virus ) , ) or ) fungus ) ) ) ) . )
(ROOT (NP (NP (CD 17) (NNP Pathogen) (NNP Disease-causing) (JJ biological) (NN agent)) (PP (JJ such) (IN as) (NP (NP (DT a) (NN bacterium)) (, ,) (NP (NN virus)) (, ,) (CC or) (NP (NN fungus)))) (. .)))
17 Pathogen Disease-causing biological agent such as a bacterium, virus, or fungus.
(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))))) (. .)))