( ( Ligament tissue ) ( ( ( connects bone ) ( to bone ) ) . ) )
(ROOT (S (NP (JJ Ligament) (NN tissue)) (VP (VBZ connects) (NP (NN bone)) (PP (TO to) (NP (NN bone)))) (. .)))
Ligament tissue connects bone to bone.
(ROOT (S (NP (NNS Ligaments)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (JJ tough) (NN protein) (NNS fibers))) (SBAR (WHNP (WDT that)) (S (VP (VBZ connects) (NP (NNS bones)) (PP (TO to) (NP (DT each) (JJ other)))))))) (. .)))