( Antibodies ( ( are ( ( ( highly specific ) proteins ) ( that ( ( ( ( recognize and ) combine ) ( with ( ( such ( foreign substances ) ) ( as ( viruses ( , ( bacteria ( , ( and cells ) ) ) ) ) ) ) ) ) ( from ( other organisms ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Antibodies)) (VP (VBP are) (NP (NP (ADJP (RB highly) (JJ specific)) (NNS proteins)) (SBAR (WHNP (WDT that)) (S (VP (VB recognize) (CC and) (VB combine) (PP (IN with) (NP (NP (JJ such) (JJ foreign) (NNS substances)) (PP (IN as) (NP (NNS viruses) (, ,) (NNS bacteria) (, ,) (CC and) (NNS cells))))) (PP (IN from) (NP (JJ other) (NNS organisms)))))))) (. .)))
Antibodies are highly specific proteins that recognize and combine with such foreign substances as viruses, bacteria, and cells from other organisms.
(ROOT (S (NP (NNS Antibodies)) (VP (VBP recognize) (CC and) (VBP combine) (PP (IN with) (NP (JJ harmful) (NNS materials))) (, ,) (PP (VBG including) (NP (NP (DT both) (JJ toxic) (NNS chemicals)) (CC and) (NP (JJ invasive) (NNS microorganisms))))) (. .)))