( ( ( The ( cold ( current flowing ) ) ) ( along ( the ( ocean floor ) ) ) ) ( ( ( displaces ( the ( warmer water ) ) ) upward ) . ) )
(ROOT (S (NP (NP (DT The) (JJ cold) (JJ current) (NN flowing)) (PP (IN along) (NP (DT the) (NN ocean) (NN floor)))) (VP (VBZ displaces) (NP (DT the) (JJR warmer) (NN water)) (ADVP (RB upward))) (. .)))
The cold current flowing along the ocean floor displaces the warmer water upward.
(ROOT (S (NP (DT A) (NN current)) (VP (VBZ is) (NP (NP (DT a) (NN stream)) (PP (IN of) (S (VP (VBG moving) (NP (NP (NN water)) (SBAR (WHNP (WDT that)) (S (VP (VBZ flows) (PP (IN through) (NP (DT the) (NN ocean)))))))))))) (. .)))