( ( ( An ( important advantage ) ) ( of ( ( an endoskeleton ) ( over ( an exoskeleton ) ) ) ) ) ( ( is ( that ( ( the endoskeleton ) ( provides ( more ( structural support ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (JJ important) (NN advantage)) (PP (IN of) (NP (NP (DT an) (NN endoskeleton)) (PP (IN over) (NP (DT an) (NN exoskeleton)))))) (VP (VBZ is) (SBAR (IN that) (S (NP (DT the) (NN endoskeleton)) (VP (VBZ provides) (NP (RBR more) (JJ structural) (NN support)))))) (. .)))
An important advantage of an endoskeleton over an exoskeleton is that the endoskeleton provides more structural support.
(ROOT (S (NP (NNS Humans)) (VP (VBP possess) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN endoskeleton))) (. .)))