( This ( ( ( ridge ( of ( sand ( that ( ( forms ( just ( offshore results ) ) ) ( from ( ( ( summer waves ) ( -LRB- ( low-energy -RRB- ) ) ) ( ( pushing sand ) ( from ( ( deeper ( to ( ( shallower ( , ( or ( from winter ) ) ) ) waves ) ) ) ( carrying sand ) ) ) ) ) ) ) ) ) ) ) offshore ) . ) )
(ROOT (S (NP (DT This)) (VP (VBP ridge) (PP (IN of) (NP (NP (NN sand)) (SBAR (WHNP (WDT that)) (S (VP (VBZ forms) (NP (RB just) (JJ offshore) (NNS results)) (PP (IN from) (S (NP (NP (NN summer) (NNS waves)) (PRN (-LRB- -LRB-) (NP (NN low-energy)) (-RRB- -RRB-))) (VP (VBG pushing) (NP (NN sand)) (PP (IN from) (S (VP (ADVP (ADVP (RBR deeper)) (PP (TO to) (NP (UCP (ADJP (JJR shallower)) (, ,) (CC or) (PP (IN from) (NP (NN winter)))) (NNS waves)))) (VBG carrying) (NP (NN sand))))))))))))) (ADVP (RB offshore))) (. .)))
This ridge of sand that forms just offshore results from summer waves (low-energy) pushing sand from deeper to shallower, or from winter waves carrying sand offshore.
(ROOT (S (NP (NNP Low) (NN energy)) (VP (VBZ causes) (S (NP (NNS waves)) (VP (TO to) (VP (VB bring) (NP (NN sand)) (PRT (RP up)) (PP (IN onto) (NP (NP (DT the) (NN beach)) (PP (IN during) (NP (NNS summers))))))))) (. .)))