( ( The canals ) ( ( contain ( ( hair cells ) ( that ( respond ( to ( movement ( of ( the fluid ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS canals)) (VP (VBP contain) (NP (NP (NN hair) (NNS cells)) (SBAR (WHNP (WDT that)) (S (VP (VBP respond) (PP (TO to) (NP (NP (NN movement)) (PP (IN of) (NP (DT the) (NN fluid)))))))))) (. .)))
The canals contain hair cells that respond to movement of the fluid.
(ROOT (NP (NP (NP (DT The) (NN hair) (NNS cells) (NN sense)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))) (NP (NP (DT the) (NN movement)) (PP (IN of) (NP (ADJP (JJ liquid) (PP (IN in) (NP (NN ear)))) (NNS canals)))) (. .)))