( ( OCEAN ( CURRENTS AND ) ) ( ( ( ( WINDS ( ( 551.47 ( OCE ( Describes ( the motions ) ) ) ) ( of ( the ocean ) ) ) ) and ) ( indicates ( ( the factors ) ( which ( cause ( ( ( ( ( waves , ) tides ) , ) and ) currents ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP OCEAN) (NNP CURRENTS) (NNP AND)) (VP (VP (VBZ WINDS) (NP (NP (CD 551.47) (NNP OCE) (NNPS Describes) (VBP the) (NNS motions)) (PP (IN of) (NP (DT the) (NN ocean))))) (CC and) (VP (VBZ indicates) (NP (NP (DT the) (NNS factors)) (SBAR (WHNP (WDT which)) (S (VP (VBP cause) (NP (NP (NNS waves)) (, ,) (NP (NNS tides)) (, ,) (CC and) (NP (NNS currents))))))))) (. .)))
OCEAN CURRENTS AND WINDS 551.47 OCE Describes the motions of the ocean and indicates the factors which cause waves, tides, and currents.
(ROOT (S (NP (JJS Most) (NN ocean) (NNS waves)) (VP (VBP are) (VP (VBN caused) (PP (IN by) (NP (NN wind))))) (. .)))