( ( The vestibule ) ( ( is ( ( the region ) ( of ( ( the ( inner ear ) ) ( where ( ( the ( semicircular canals ) ) ( ( converge , ) ( close ( to ( ( the cochlea ) ( -LRB- ( ( the ( hearing organ ) ) -RRB- ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN vestibule)) (VP (VBZ is) (NP (NP (DT the) (NN region)) (PP (IN of) (NP (NP (DT the) (JJ inner) (NN ear)) (SBAR (WHADVP (WRB where)) (S (NP (DT the) (JJ semicircular) (NNS canals)) (VP (VP (VB converge)) (, ,) (VP (VB close) (PP (TO to) (NP (NP (DT the) (NN cochlea)) (PRN (-LRB- -LRB-) (NP (DT the) (NN hearing) (NN organ)) (-RRB- -RRB-)))))))))))) (. .)))
The vestibule is the region of the inner ear where the semicircular canals converge, close to the cochlea (the hearing organ).
(ROOT (S (NP (DT The) (NN cochlea) (CC and) (NN vestibul)) (VP (VBP make) (PRT (RP up)) (NP (DT the) (JJ inner) (NN ear))) (. .)))