( Antibodies ( ( are ( ( protein components ) ( of ( ( an ( adaptive ( immune system ) ) ) ( ( ( whose main ) function ) ( is ( to ( ( ( bind ( ( ( ( antigens , ) or ) ( ( foreign substances ) ( in ( the body ) ) ) ) , ) ) and ) ( ( target them ) ( for destruction ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Antibodies)) (VP (VBP are) (NP (NP (NN protein) (NNS components)) (PP (IN of) (NP (NP (DT an) (JJ adaptive) (JJ immune) (NN system)) (SBAR (WHNP (WP$ whose) (JJ main) (NN function)) (S (VP (VBZ is) (S (VP (TO to) (VP (VP (VB bind) (NP (NP (NNS antigens)) (, ,) (CC or) (NP (NP (JJ foreign) (NNS substances)) (PP (IN in) (NP (DT the) (NN body)))) (, ,))) (CC and) (VP (VB target) (NP (PRP them)) (PP (IN for) (NP (NN destruction)))))))))))))) (. .)))
Antibodies are protein components of an adaptive immune system whose main function is to bind antigens, or foreign substances in the body, and target them for destruction.
(ROOT (S (NP (NNS Antibodies)) (VP (VBZ bind) (PP (TO to) (NP (NP (JJ foreign) (NNS substances)) (CC and) (NP (NN attempt) (NN destruction))))) (. .)))