( Parasitism ( ( is ( ( a ( symbiotic relationship ) ) ( ( in which ) ( ( ( ( one ( organism benefits ) ) and ) ( the other ) ) ( is harmed ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Parasitism)) (VP (VBZ is) (NP (NP (DT a) (JJ symbiotic) (NN relationship)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (CD one) (NN organism) (NNS benefits)) (CC and) (NP (DT the) (JJ other))) (VP (VBZ is) (ADJP (VBN harmed))))))) (. .)))
Parasitism is a symbiotic relationship in which one organism benefits and the other is harmed.
(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)))) (. .)))