( ( The ( glucosinolate-myrosinase system ) ) ( ( is ( assumed ( to ( play ( ( a role ) ( in ( plant-herbivore ( and ( plant-pathogen interactions ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ glucosinolate-myrosinase) (NN system)) (VP (VBZ is) (VP (VBN assumed) (S (VP (TO to) (VP (VB play) (NP (NP (DT a) (NN role)) (PP (IN in) (NP (JJ plant-herbivore) (CC and) (JJ plant-pathogen) (NNS interactions))))))))) (. .)))
The glucosinolate-myrosinase system is assumed to play a role in plant-herbivore and plant-pathogen interactions.
(ROOT (S (NP (NNS Plants)) (VP (VBP face) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (NNS enemies)))) (: :) (NP (NNS herbivores) (CC and) (NNS pathogens))) (. .)))