( ( ( A. ( 4 ( Simplified concept ) ) ) ( of ( ( ( ( ( ( osmosis , ) ( osmotic pressure ) ) , ) and ) ( reverse osmosis ) ) ( -LRB- ( ( ( Source : ) ( AWWA 1989 ) ) -RRB- ) ) ) ) ) ( Fig . ) )
(ROOT (S (NP (NP (NN A.) (CD 4) (NN Simplified) (NN concept)) (PP (IN of) (NP (NP (NNS osmosis)) (, ,) (NP (JJ osmotic) (NN pressure)) (, ,) (CC and) (NP (JJ reverse) (NNS osmosis)) (PRN (-LRB- -LRB-) (NP (NP (NN Source)) (: :) (NP (NNP AWWA) (CD 1989))) (-RRB- -RRB-))))) (VP (VBN Fig)) (. .)))
A.4 Simplified concept of osmosis, osmotic pressure, and reverse osmosis (Source: AWWA 1989) Fig.
(ROOT (S (S (VP (VBG Applying) (NP (DT a) (NN pressure) (JJR greater)) (PP (IN than) (NP (NP (DT the) (JJ osmotic) (NN pressure)) (PP (IN of) (NP (DT a) (NN solution))))))) (VP (MD will) (VP (VB cause) (NP (JJ reverse) (NNS osmosis)))) (. .)))