( They ( ( ( 've all ) ( ( got backbones ) ( so ( ( the ( feature ( `` ( backbone '' ) ) ) ) ( is useless ) ) ) ) ) ; ) )
(ROOT (S (NP (PRP They)) (VP (VBP 've) (RB all) (VP (VBN got) (NP (NNS backbones)) (SBAR (IN so) (S (NP (DT the) (NN feature) (`` ``) (NN backbone) ('' '')) (VP (VBZ is) (ADJP (JJ useless))))))) (: ;)))
They've all got backbones so the feature &quot;backbone&quot; is useless;
(ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (NP (DT the) (JJ main) (NNS features)) (SBAR (S (NP (DT all) (NNS vetebrates)) (VP (VBP have) (VP (PP (IN in) (NP (JJ common)))))))))) (VP (VBZ is) (NP (DT a) (NN backbone))) (. .)))