( ( The tides ) ( ( are ( ( the ( regular ( ( rise and ) fall ) ) ) ( of ( the ocean ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS tides)) (VP (VBP are) (NP (NP (DT the) (JJ regular) (NN rise) (CC and) (NN fall)) (PP (IN of) (NP (DT the) (NN ocean))))) (. .)))
The tides are the regular rise and fall of the ocean.
(ROOT (S (NP (NNS Tides)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (SBAR (WHADVP (WRB when)) (S (NP (NP (DT the) (NN water)) (PP (IN of) (NP (DT the) (NN ocean)))) (ADVP (RB slowly)) (VP (VP (VBZ rises)) (CC and) (VP (VBZ falls)))))))) (. .)))