( Autoantibodies ( ( ( are ( antibodies ( ` ( ( ( ( gone bad ) , ) ' ) ( which ( attack ( ( the ( body 's ) ) ( own tissues ) ) ) ) ) ) ) ) . ) -RRB- ) )
(ROOT (S (NP (NNS Autoantibodies)) (VP (VBP are) (NP (NP (NNS antibodies)) (VP (`` `) (VBN gone) (ADJP (JJ bad)) (, ,) ('' ') (SBAR (WHNP (WDT which)) (S (VP (VBP attack) (NP (NP (DT the) (NN body) (POS 's)) (JJ own) (NNS tissues)))))))) (. .) (-RRB- -RRB-)))
Autoantibodies are antibodies 'gone bad,' which attack the body's own tissues.)
(ROOT (S (NP (NNP Autoantibody)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT an) (NN antibody)) (SBAR (WHNP (WDT that)) (S (ADVP (RB inappropriately)) (VP (VBZ marks) (S (NP (NNS self-components)) (ADJP (RB as) (JJ foreign)))))))))) (. .)))