( Pressure ( ( ( gradients ( in ( ocean water ) ) ) ( ( The pressure ) ( which ( ( water exerts ) ( ( equally ( in ( all directions ) ) ) ( increases ( with ( increasing depth ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Pressure)) (VP (VBZ gradients) (PP (IN in) (NP (NN ocean) (NN water))) (NP (NP (DT The) (NN pressure)) (SBAR (WHNP (WDT which)) (S (NP (NN water) (NNS exerts)) (VP (ADVP (RB equally) (PP (IN in) (NP (DT all) (NNS directions)))) (VBZ increases) (PP (IN with) (NP (VBG increasing) (NN depth)))))))) (. .)))
Pressure gradients in ocean water The pressure which water exerts equally in all directions increases with increasing  depth.
(ROOT (S (NP (NP (DT The) (NN pressure)) (PP (IN of) (NP (NN ocean) (NN water)))) (VP (VBZ increases) (ADVP (RB rapidly)) (SBAR (IN as) (S (NP (DT the) (NN water)) (VP (VBZ gets) (ADVP (RBR deeper)))))) (. .)))