( ( TIDE ( ( The ( periodic ( ( rise and ) fall ) ) ) ( of ( ( water level ) ( in ( the oceans ) ) ) ) ) ) . )
(ROOT (S (VP (VB TIDE) (NP (NP (DT The) (JJ periodic) (NN rise) (CC and) (NN fall)) (PP (IN of) (NP (NP (NN water) (NN level)) (PP (IN in) (NP (DT the) (NNS oceans))))))) (. .)))
TIDE The periodic rise and fall of water level in the oceans.
(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)))))))) (. .)))