( ( ( 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 (NP (NNS Bacteria)) (, ,) (NP (NNS viruses)) (, ,) (NP (NNS fungi)) (, ,) (CC and) (NP (NN protozoa))) (VP (VBP are) (NP (NP (NNS examples)) (PP (IN of) (NP (NP (DT a) (NN pathogen)) (, ,) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (DT a) (JJ disease-causing) (NN microorganism)))))))) (. .)))