( Parasitism ( ( is ( ( a symbiosis ) ( where ( ( one species ) ( benefits ( while ( harming ( the other ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Parasitism)) (VP (VBZ is) (NP (NP (DT a) (NNS symbiosis)) (SBAR (WHADVP (WRB where)) (S (NP (CD one) (NNS species)) (VP (VBZ benefits) (SBAR (IN while) (S (VP (VBG harming) (NP (DT the) (JJ other)))))))))) (. .)))
Parasitism is a symbiosis where one species benefits while harming the other.
(ROOT (S (S (NP (NNP Parasitism)) (VP (VBP isl) (NP (NP (DT a) (NN relationship)) (SBAR (WHADVP (WRB where)) (S (NP (DT the) (NNS bacteria)) (VP (VBP benefit))))))) (CC and) (S (CC and) (NP (DT the) (JJ other) (NN organism)) (VP (VBZ is) (ADJP (VBN harmed)))) (. .)))